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Authors
Shi, Haolin
Fang, Yangyi
Ma, Xiuhua
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Article History
Received: 18 March 2025
Accepted: 23 May 2025
First Online: 29 May 2025
Declarations
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: The National Center for Health Statistics reviewed and approved the study for human participants (Protocol #2005-06, Protocol #2011-17, Protocol #2018-01). All participants signed informed written consent. Research data were open to the public and allowed for further analysis without additional ethical approval.
: Not applicable.
: The authors declare no competing interests.
