Peng, Xue-Feng
Yang, Hua
Chen, Wen-Xing
Yu, Miao
Wang, Deng-Chao
Article History
Received: 8 September 2024
Accepted: 28 November 2024
First Online: 6 January 2025
Declarations
:
: This research, which involved human participants, was reviewed and sanctioned by the Institutional Review Board of the CDC’s National Center for Health Statistics. Participants provided written informed consent. All procedures adhered to the principles outlined in the Helsinki Declaration. As this study involved secondary data analysis, additional ethics approval was not required.
: Not applicable.
: The authors declare no competing interests.