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Authors
Ren, Ziyang
Xia, Shuangbo
Sun, Jinfang
Wang, Duoduo
Du, Yushan
Li, Ning
Liu, Jufen
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Funding
Funding for this research was provided by:
National Key Research and Development Program, Ministry of Science and Technology from P.R. China (2020YFC2008603)
Major Project of the National Social Science Fund of China (21&ZD187)
Fundamental Research Funds for the Central Universities (7101303357)
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Article History
Received: 9 July 2023
Accepted: 31 October 2023
First Online: 6 November 2023
Declarations
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: The CHARLS was approved by the Institutional Review Board and Ethics Review Committee of Peking University [CitationRef removed]; the MHAS was approved by the Institutional Review Boards and Ethics Committees of the University of Texas Medical Branch in the USA, the National Institute of Statistics and Geography (INEGI), and the National Institute of Public Health (INSP) in Mexico [CitationRef removed]; the HRS was approved by the institute for social research and survey research center of the University of Michigan [CitationRef removed]; and the SHARE was approved by the Ethics Committee of the University of Mannheim and the Ethics Committee of the Max Planck Society [CitationRef removed]. Besides, all the participants have written informed consent.
: Not applicable.
: None.
