Shi, Jianyou
Chen, Zhiyuan
Zhang, Yuanfeng
Article History
Received: 16 June 2024
Accepted: 26 August 2024
First Online: 27 September 2024
Declarations
:
: All participants provided written informed consent, and the study procedures were approved by the National Center for Health Statistics Research Ethics Review Board (Protocol Numbers: Protocol #98–12, Protocol #2005–06, and Protocol #2011–17).
: Not applicable.
: The authors declare no competing interests.