Zhao, Peng
Chang, Ren-Yuan
Liu, Ning
Wang, Jing
Zhou, Ru
Qi, Xue
Liu, Yue
Ma, Lin
Niu, Yang
Sun, Tao
Li, Yu-Xiang
He, Yan-Ping
Yu, Jian-Qiang
Funding for this research was provided by:
the National Natural Science Foundation of China (81660674)
Ningxia Natural Science Foundation (NZ15149)