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Authors
Zeng, Dan
Zhou, Yuwei
Tan, Yuxi
Zhang, Yunquan
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Article History
Received: 10 January 2026
Accepted: 23 March 2026
First Online: 1 April 2026
Declarations
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: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008. The original CHARLS was approved by the Ethical Review Committee of Peking University (IRB000001052-11015), and all participants signed informed consent at the time of participation.
: The authors declare no competing interests.
