Ren, Yangling
Deng, Tianrui
Xu, Huiqing
Qiao, Huifen
Xu, Fei
Chen, Gang
Funding for this research was provided by:
Humanities and Social Sciences Youth Foundation, Ministry of Education (24YJC840023)
Nanjing Medical Science and Technique Development Foundation (ZKX16052)
Article History
Accepted: 20 June 2025
First Online: 17 July 2025
Declarations
:
: Written informed consent was obtained from both schools and parents/guardians prior to the on-site survey. Academic and Ethics Committee of Nanjing Municipal Center for Disease Control and Prevention, China, reviewed and approved this study (2017006).
: The authors declare that they have no conflict of interest.