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Authors
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Funding
Funding for this research was provided by:
Beijing Municipal Social Science Foundation (22JYA002)
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Article History
Accepted: 8 September 2024
First Online: 14 September 2024
Declarations
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: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was proved by Peking University Medical Center.
: All participants gave consent after informed of the aims of the survey, and had the right to refuse to participate.
: The author declares to have no competing interests.
