Article History
Received: 26 August 2025
Accepted: 27 January 2026
First Online: 3 February 2026
Declarations
:
: The Chinese Longitudinal Healthy Longevity Survey (CLHLS) was conducted in full of accordance with the Declaration of Helsinki. Ethical approval for the CLHLS study was obtained from the Research Ethics Committee of Peking University (IRB00001052-13074), and written informed consent was secured from all participants or their legally authorized representatives.
: Not applicable.
: The authors declare no competing interests.