Liang, Chaoqun
Zhang, Chao
Song, Jun
Yan, Lin
Xiao, Yun
Cheng, Nan
Wu, Han
Chen, Xiaohong
Yang, Jianming
Article History
Received: 15 April 2024
Accepted: 29 May 2024
First Online: 6 June 2024
Declarations
:
: The research protocol received approval from the Institutional Review Board of the National Center for Health Statistics (NCHS), and informed consent was obtained from all participants [].
: Not Applicable.
: The authors declare no competing interests.