Pan, Lina
Feng, Xiaosu
Sang, Fawen
Li, Longjie
Leng, Mingwei
Chen, Xiaoyun
Funding for this research was provided by:
National Natural Science Foundation of China (61602225)
Introduce Talents Science Projects for Northwest University for Nationalities (xbmuyjrcs201616)
Article History
Received: 3 March 2017
Accepted: 4 October 2017
First Online: 14 October 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.