Qiu, Weida
Cai, Anping
Li, Liwen
Feng, Yingqing
Article History
Received: 1 March 2024
Accepted: 8 April 2024
First Online: 24 April 2024
Declarations
:
: The CHARLS study protocol was approved by the ethics review committee at Peking University (IRB00001052-11015), Beijing, China. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare no competing interests.