Pei, Juhong
Chen, Haixia
Ma, Tong
Zhang, Ying
Wang, Xiangfu
Li, Chenxu
Ye, Binglin
Wang, Xingsheng
Zhao, Jirong
Dou, Xinman
Article History
Received: 12 October 2021
Accepted: 11 April 2022
First Online: 28 May 2022
Declarations
:
: This cross-sectional study was performed in line with the principles of the Declaration of Helsinki and was approved by the Medical Ethical Committee of Lanhzou University second hospital (2020A-126). All participants gave an informed consent prior to participation.
: Not applicable.
: The authors declare that they have no competing interests.