Ma, Hong
Liu, Xiaoyu
Wang, Xudong
Li, Xinran
Yang, Chengduan
Iqbal, Anam
Liu, Weisheng
Li, Jiping
Qin, Wenwu
Funding for this research was provided by:
the Natural Science Foundation of China (no. 21271094)
the Gansu Prvovince Natural Science Foundation of China (no. 1508RJZA078)