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Authors
Jiang, Zhaoquan
Xu, Zhaoxu
Zhou, Mingyue
Huijun, Zhang
Zhou, Shixue
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Article History
Received: 5 July 2024
Accepted: 21 October 2024
First Online: 1 November 2024
Declarations
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: The data from the CLHLS survey already obtained ethical approval and informed consent and was approved by the Ethics Committee of Peking University (IRB00001052-13074). All participants or their surrogate respondents provided written informed consent.
: Not applicable.
: The authors declare no competing interests.
