Ren, Lei
Wang, Yifei
Wu, Lin
Wei, Zihan
Cui, Long-Biao
Wei, Xinyi
Hu, Xinyu
Peng, Jiaxi
Jin, Yinchuan
Li, Fengzhan
Yang, Qun
Liu, Xufeng
Article History
Received: 12 February 2021
Accepted: 10 May 2021
First Online: 31 May 2021
Declarations
:
: This study was conducted in accordance with the ethical standards put forth in the Declaration of Helsinki. The questionnaire was completed online in the WeChat application after informed consent was obtained. The study design and procedures were reviewed and approved by the Independent Ethics Committee of the First Affiliated Hospital of the Fourth Military Medical University (No. KY20182047-F-1).
: Not applicable.
: The authors declare that they have no competing interests.