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Authors
Zhou, Quan
Meng, Fanhao
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Article History
Received: 8 November 2025
Accepted: 11 February 2026
First Online: 21 February 2026
Declarations
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: Ethical approval was obtained from the Institutional Review Boards of Peking University (No. IRB00001052-11015) for the CHARLS, and all participants gave informed consent. We confirm that all methods were conducted in accordance with the relevant guidelines and regulations. All procedures adhered to the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.
