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Authors
Zhao, Jinhui https://orcid.org/0000-0003-2166-5370
Ma, Yana https://orcid.org/0000-0002-4440-1928
Sun, Hongpeng https://orcid.org/0000-0001-9382-5586
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Article History
Received: 14 June 2021
Accepted: 27 August 2021
First Online: 15 September 2021
Declarations
:
: None.
: Research ethics committee review and approval were not required, as the public files of the Harmonized CHARLS were analyzed and the survey was funded by the National Institute on Ageing (R01 AG030153, RC2 AG036619, R03 AG043052). For more information, please refer to . No personal data are available from these public databases.
