Yang, Caixia
Xu, Li
Article History
Received: 16 June 2025
Accepted: 17 February 2026
First Online: 20 February 2026
Declarations
:
: The CHARLS project was approved by the Biomedical Ethics Review Committee of Peking University (ethical approval number: IRB00001052-11015). All participants provided written informed consent. All procedures were conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.