Ding, Liwen
Yin, Xiaona
Wen, Guomin
Sun, Dengli
Xian, Danxia
Zhao, Yafen
Zhang, Maolin
Yang, Weikang
Chen, Weiqing
Article History
Received: 3 August 2024
Accepted: 11 November 2024
First Online: 4 December 2024
Declarations
:
: Ethical approval was obtained from the Ethics Committee of the School of Public Health, Sun Yat-sen University (No.2015–016), and informed consent was obtained from all children's primary guardians.
: Not applicable.
: The authors declare no competing interests.