Xiao, Yao
Zhou, Youliang
Xu, Linli
Yu, Liping
Article History
Received: 1 February 2025
Accepted: 10 July 2025
First Online: 16 October 2025
Declarations
:
: The authors declare no competing interests.
: The data used in this study were approved by the Biomedical Ethics Review Committee of Peking University. The IRB approval number for the main household survey, including anthropometrics, is IRB00001052-11015; the IRB approval number for biomarker collection is IRB00001052-11014. Participants gave informed consent to participate in the study before taking part.