Lv, Zhihan
Ji, Yunxi
Xu, Su
Li, Chenyi
Cai, Wenwei
Article History
Received: 25 February 2024
Accepted: 9 April 2024
First Online: 29 April 2024
Declarations
:
: Ethical approval for all the CHARLS waves was granted by the Institutional Review Board at 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.
: Not applicable.
: The authors declare no competing interests.