Li, Qiang
Tian, Zhenhuan
Zhang, Yuantao
Wang, Zuming
Li, Yufeng
Ding, Wen
Wang, Tao
Yun, Feng
Funding for this research was provided by:
Natural Science Foundation of Shaanxi Province (2017JQ6013)
China Postdoctoral Science Foundation (2014M562415)
Article History
Received: 3 August 2018
Accepted: 12 March 2019
First Online: 21 March 2019
Competing Interests
: The authors declare no competing interests.