Chang, Yu
Yu, Chanjiao
Dai, Xianyu
Sun, Haibo
Tang, Tongyu
Article History
Received: 16 July 2024
Accepted: 3 October 2024
First Online: 9 October 2024
Declarations
:
: The studies involving humans were approved by the National Center for Health Statistics Research Ethics Review Board, duly approved by the ethical review committee (protocol #2005-06, #2011-17, #2018-01). The participants provided their written informed consent to participate in this study.
: Not applicable.
: The authors declare no competing interests.