| A new color pattern of the Bungarus candidus complex (Squamata: Elapidae) from Vietnam based on morphological and molecular data | |
Nguyen SN*1,2; Nguyen VDH1; Vindum JV4; Murphy RW2,5; Zhang YP2 ; Nguyen TQ1; Le NTT1; Vo BD3; Che J2
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| 2017 | |
| 发表期刊 | Zootaxa
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| 卷号 | 4268期号:4页码:563-572 |
| 摘要 | Kraits with black and white bands from Nui Chua National Park, central Vietnam are morphologically similar to the Burmese Krait, Bungarus magnimaculatus, however, analysis of molecular data finds them to be nested within the B. candidus complex. |
| 关键词 | Blue Krait Bungarus Magnimaculatus Coi Genetic Distance |
| 资助者 | This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助者 | This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). ; This research is funded by the Vietnam National Foundation for Science and Technology Development (NAFOSTED) under grant number 160- NN.05-2015.08 and the Chinese Academy of Sciences ( KSCX2-EW-Z-2). |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.kiz.ac.cn/handle/152453/11745 |
| 专题 | 遗传资源与进化国家重点实验室 科研部门_分子进化与基因组多样性（张亚平） 科研部门_两栖爬行类多样性与进化（车静） |
| 作者单位 | 1.Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan St., Dist. 3, Ho Chi Minh City, Vietnam 2.State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Sciences, 32 Jiaochang Donglu, Kunming, Yunnan 650223, China 3.Department of Biology, Hue University of Sciences, 77 Nguyen Hue St., Hue City, Vietnam 4.Department of Herpetology, California Academy of Sciences, 55 Concourse Drive, Golden Gate Park, San Francisco, California 94118 5.Centre for Biodiversity and Conservation Biology, Royal Ontario Museum, 100 Queen’s Park, Toronto, Canada M5S 2C6. |
| 推荐引用方式 GB/T 7714 | Nguyen SN*,Nguyen VDH,Vindum JV,et al. A new color pattern of the Bungarus candidus complex (Squamata: Elapidae) from Vietnam based on morphological and molecular data[J]. Zootaxa,2017,4268(4):563-572. |
| APA | Nguyen SN*.,Nguyen VDH.,Vindum JV.,Murphy RW.,Zhang YP.,...&Che J.(2017).A new color pattern of the Bungarus candidus complex (Squamata: Elapidae) from Vietnam based on morphological and molecular data.Zootaxa,4268(4),563-572. |
| MLA | Nguyen SN*,et al."A new color pattern of the Bungarus candidus complex (Squamata: Elapidae) from Vietnam based on morphological and molecular data".Zootaxa 4268.4(2017):563-572. |
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| 文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
| 2017061906.pdf（5544KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 请求全文 | |
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