Pei, Chenyang
Han, Xueyan
Liu, Qiannan
Hu, Guangyu
Article History
Received: 29 October 2022
Revised: 25 December 2022
Accepted: 4 January 2023
First Online: 23 January 2023
Competing interests
: The authors declare no competing interests.
: Ethical approval was obtained from the Ethics Committee of the Institute of Medical Information, Chinese Academy of Medical Sciences and Peking Union Medical College (IMICAMS/04/19/HREC). Participation was voluntary, and informal consent was obtained from the respondents before the survey.