Xie, Xiaoyu
Liu, Xia
Pan, Xiaoyan
Chen, Liang
Wang, Sicen
Funding for this research was provided by:
Shaanxi Province Postdoctoral Science Foundation
Fundamental Research Funds for the Central Universities (xjj2014066)
China Postdoctoral Science Foundation (2014M550501)
National Natural Science Foundation of China (81227802)
National Natural Science Foundation of China (81503033)