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Authors
Zhang, ZhaoLiang
Yao, LieHui
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Article History
Received: 21 July 2024
Accepted: 20 March 2025
First Online: 7 April 2025
Declarations
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: CHARLS has received ethical approval from the Institutional Review Board of Peking University (Approval number: IRB00001052-11015;IRB00001052-11014). Written informed consent was obtained from all participants prior to the survey. CHARLS was conducted in accordance with the Declaration of Helsinki.
: All authors consent to publication.
: The authors declare no competing interests.
