Liu, Xinnan
Zhang, Wentao
Huang, Lunjie
Hu, Na
Liu, Wei
Liu, Yingnan
Li, Sihang
Yang, Chengyuan
Suo, Yourui
Wang, Jianlong
Funding for this research was provided by:
the National Natural Science Foundation of China (21675127)
Fundamental Research Funds for the Northwest A&F University of China (2014YB093, 2452015257)
the Development Project of Qinghai Key (2017-ZJ-Y10)
Article History
Received: 6 January 2018
Accepted: 12 March 2018
First Online: 20 March 2018
Compliance with ethical standards
: The author(s) declare that they have no competing interests.