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Authors
Xiao, Yue
Zhao, Zejin
Su, Chen-guang
Li, Jian
Liu, Jinlong
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Funding
Funding for this research was provided by:
Jianli Wang (No. 202109A193, No. 202109A193, No. 202109A193, No. 202109A193, No. 202109A193)
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Article History
Received: 6 April 2025
Accepted: 4 June 2025
First Online: 1 July 2025
Declarations
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: The research procedure of CHARLS strictly followed the Helsinki Declaration and was approved by the Ethics Committee of Peking University (Approval No. IRB00001052-11015). All respondents signed written informed consent before entering the group.
: Not applicable.
: The authors declare no competing interests.
: Not applicable.
