Tang, J. J.
Bai, Y.
Liu, K.
Zhang, P.
Li, B. Q.
Yang, J. F.
Funding for this research was provided by:
National Basic Research Program (2013CB035701)
National Natural Science Foundation of China (51202187)
the Fundamental Research Funds for the Central Universities (xjj2014125)
Natural Science Foundation of Shaanxi Province, China (2015JQ5138)
the National Natural Science Foundation of China (51476131)
State Scholarship Fund of China Scholarship Council (201406285038)