Chen, Zhiyuan
Zhang, Yuanfeng
Shi, Jianyou
Article History
Received: 3 August 2024
Accepted: 22 July 2025
First Online: 10 August 2025
Declarations
:
: All participants provided written informed consent and study procedures were approved by the National Center for Health Statistics Research Ethics Review Board.
: Not applicable.
: The authors declare no competing interests.