Chen, Fang
Li, Yanqing
Zhao, Junli
Mao, Qinwen
Xia, Haibin
Funding for this research was provided by:
National Natural Science Foundation of China (GK201504009)
the National Natural Science Foundation of China (No. 81272543, No. 81471772)
the Natural Science Foundation of Shaanxi Province, China (No. 2014JM4113)
the Science and Technology Department of Shaanxi province (2012K19-02-03)