Yang, Wenke
Yi, Kang
Yu, Hongmiao
Ding, Yunhan
Li, Dehong
Wei, Yuping
You, Tao
Xie, Xiaodong
Funding for this research was provided by:
National Natural Science Foundation of China (31670379)
the Health Industry Research Project of Gansu Province (GSWSKY2016-04)
Article History
Received: 23 February 2019
Accepted: 1 May 2019
First Online: 29 May 2019
Compliance with ethical standards
: This study was approved by the Ethics Committees of Lanzhou University of Basic Medical Science (20160204) and all participants provided informed consent forms.
: The authors declare that they have no conflict of interest.