Lei, Xiao-Lin
Gao, Ke
Wang, Huan
Chen, Wei
Chen, Gen-Rui
Wen, Xing
Article History
Received: 30 March 2023
Accepted: 26 August 2023
First Online: 30 November 2023
Declarations
:
: The Biomedical Ethics Review Committee of Peking University approved CHARLS, and all participants were required to provide written informed consent. The ethical approval number was IRB00001052-11015.
: The authors declare no competing interests.