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Authors
Wan, Zihao https://orcid.org/0009-0000-2190-8657
Cai, Shanshan https://orcid.org/0000-0002-0594-0953
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Article History
Received: 29 May 2025
Revised: 18 November 2025
Accepted: 26 December 2025
First Online: 21 January 2026
Declarations
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: This study was performed in line with the principles of the Declaration of Helsinki and all participants signed informed consents before participation. Approval was granted by the Ethical Review Committee at Peking University (CHARLS: IRB00001052-11015). Informed consent was obtained from all individual participants enrolled in the study.
: Not applicable.
: The authors declare no competing interests.
