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Authors
Sun, Lin
Wang, Jingru
Li, Hongyu
Zhang, Pengjun
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Article History
Received: 3 July 2025
Accepted: 8 February 2026
First Online: 12 February 2026
Declarations
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: CHARLS was approved by the Biomedical Ethics Review Committee of Peking University (IRB00001052-11015). All procedures were in accordance with the ethical standards of the Helsinki Declaration, and participants provided informed consent before data collection.
: Not applicable.
: The authors declare no competing interests.
