Wei, Yuxi
Wang, Yue
Wang, Jiawei
Yang, Xiaolin
Qi, Honglan
Gao, Qiang
Zhang, Chengxiao
Funding for this research was provided by:
111 Project (B14041)
National Natural Science Foundation of China (21775098)
Article History
Received: 31 December 2018
Revised: 22 March 2019
Accepted: 3 April 2019
First Online: 6 May 2019
Compliance with ethical standards
: The Ethics Committee of Shaanxi Normal University approved our studies, and all volunteers gave informed consent<b>.</b>
: The authors declare that they have no conflict interest.