Huang, Yongwei
Yin, Xiaoshuang
Li, Zongping
Article History
Received: 29 May 2025
Accepted: 7 November 2025
First Online: 29 November 2025
Declarations
:
: This research adhered to the Declaration of Helsinki. The CHARLS study received approval from the institutional review board at Peking University, and written informed consent was secured from all participants. Due to the database’s public accessibility and the presence of de-identified patient information, with no need for further ethical approval or informed consent.
: The authors declare no competing interests.