Zhang, Chunyan
Yang, Yitian
Liu, Huanxian
Zhang, Jiaqiang
Article History
Received: 13 February 2024
Accepted: 25 September 2024
First Online: 5 October 2024
Declarations
:
: Approval for the National Health and Nutrition Examination Survey study protocol was granted by the National Center for Health Statistics Research Ethics Review Board, and participants provided written informed consent during the enrollment process. The Ethics Review Committee of Henan Provincial People’s Hospital deemed this study exempt as it utilized publicly available de-identified data, thereby waiving the requirement for additional informed consent.
: Not applicable.
: The authors declare no competing interests.