Li, Faqiang
Shangguan, Xuehui
Jia, Guofeng
Wang, Qinglei
Gong, Yan
Bai, Bin
Fan, Wei
Funding for this research was provided by:
The Natural Science Foundation of Qinghai Province (2015-ZJ-935Q)
The Natural Science Foundation of China (U1507106, U1507114)