Funding for this research was provided by:
National Natural Science Foundation of China (82103956)
China Postdoctoral Science Foundation (2020M683003)
Shenzhen Longhua District Medical and Health Institution District Scientific Research Project (2021011)
The MOE (Ministry of Education) Project of Humanities and Social Science of China (21YJCZH042)
Shenzhen Science and Technology Innovation Committee (JCYJ20210324122609025)
Article History
Accepted: 4 April 2022
First Online: 14 April 2022
Declarations
:
: This study was performed in line with the principles of the Declaration of Helsinki. The protocol was approved by the Ethics Committee of the School of Public Health at Sun Yat-sen University (ethics clearance no. 2015-016).
: Informed consent was obtained from all individual participants included in the study.
: The authors declare no competing interests.