Chen, Taowu
Chen, Yulin
Wang, Heng
Li, Xueqing
Guo, Xin
Tan, Hong
Zhang, Xiaoyan
Li, Chunhui
Shi, Rui
Sun, Chen
Article History
Received: 3 December 2024
Accepted: 6 March 2025
First Online: 19 March 2025
Declarations
:
: This study adhered to the Helsinki Declaration on medical research involving human participants. All participants were provided written informed consent and all study procedures were approved by the National Center for Health Statistics Research Ethics Review Board. This study was carried out in accordance with the appropriate research guidelines and regulations.
: Not applicable.
: The authors declare no competing interests.