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Funding
Funding for this research was provided by:
Shenzhen Science and Technology Project (KCXFZ20230731093401004)
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Article History
Received: 10 June 2025
Accepted: 28 January 2026
First Online: 7 February 2026
Declarations
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: This study was based on CHARLS database. The original CHARLS study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by Biomedical Ethics Committee of Peking University (IRB00001052-11015). All participants or their proxy signed the informed consent at the time of participation.
: All participating authors give their consent for this work to be published.
: Not applicable.
: The authors declare no competing interests.
