Zhong, Jingyi
Zhong, Chenghui
Qiu, Lan
Li, Jiayi
Lai, Jiayi
Lu, Wenfeng
Wang, Shuguang
Zhong, Jiacai
Zhao, Jing
Zhou, Yun
Article History
Received: 27 January 2021
Accepted: 19 May 2021
First Online: 4 June 2021
Declarations
:
: The study was approved by the ethics committee of the School of Public Health, Guangzhou Medical University (reference no.: 2020010002). All of the participants were informed of the background and aims of the study and the anonymous nature and length of the survey. The participants were also well informed that completion of the questionnaire signified their informed consent. We confirmed that the study protocol followed the STROBE guidelines and were submitted before recruitment completes.
: Not applicable.
: The authors declare they have no competing interests.