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Authors
Zhou, Ce
Shuai, Niannian
Zhou, Jiaxiu
Zhang, Xiaofeng
Kuang, Xin
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Article History
Received: 24 September 2025
Accepted: 17 April 2026
First Online: 11 May 2026
Declarations
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: The study received approval from the Research Ethics Review Board of the National Center for Health Statistics (NCHS). All participants provided written informed consent to take part in the research.
: Not applicable.
: The authors declare no competing interests.
