Xu, Shiyong
Cai, Yirou
Hu, Haizhen
Zhai, Changlin
Article History
Received: 30 October 2024
Accepted: 27 January 2025
First Online: 22 February 2025
Declarations
:
: The research involving human subjects has been approved by the Ethics Review Committee of the National Center for Health Statistics. The participants provided their written informed consent to participate in this study.
: Not applicable.
: The authors declare no competing interests.