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Authors
Li, Yanchao
Shao, Xiaoshan
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Article History
Received: 17 February 2025
Accepted: 12 June 2025
First Online: 21 June 2025
Declarations
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: The survey protocol was approved by the NCHS Research Ethics Review Committee. Written informed consent was obtained from all participants. All methods adhered to the ethical standards outlined in the 1964 Declaration of Helsinki and its subsequent amendments, or comparable ethical standards.
: Not applicable.
: The authors declare no competing interests.
