He, Huihui
Wang, Suhang
Xu, Tianwei
Liu, Wenbin
Li, Yueping
Lu, Guangyu
Tu, Raoping
Article History
Received: 11 November 2022
Accepted: 22 February 2023
First Online: 11 March 2023
Declarations
:
: The Institutional Review Board at Peking University approved all CHARLS waves (IRB00001052–11015). Informed consent was obtained from all participants included in the study.
: All authors provide consent for publication of this paper.
: The authors declare no conflict of interest.