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Authors
Liang, Weicai
Ouyang, Haichun
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Article History
Received: 2 June 2024
Accepted: 11 September 2024
First Online: 1 November 2024
Declarations
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: ALL CHARLS data of this study involving human participants, human materials, or human data were ethically approved by the BGU Institutional Review Board. During the field survey, each respondent who agreed to participate was required to sign two informed consent forms, one of which was kept in the CHARLS file and saved in PDF format.
: Not applicable.
: The authors declare no competing financial interests. They have no relationships or activities that might bias or be perceived to bias the publication of this research.
