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Authors
Yan, Tiange
Song, Qilin
Yao, Ming
Zhang, Xingyuan
He, Yaxiong
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Article History
Received: 20 May 2024
Accepted: 20 September 2024
First Online: 30 September 2024
Declarations
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: All procedures performed in studies involving human participants were by the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The original CHARLS was approved by the Ethical Review Committee of Peking University, and all participants signed informed consent at the time of participation.
: Not applicable.
: The authors declare no competing interests.
