Wang, Qin
Yu, Hanhua
Kong, Yuefeng
Article History
Received: 22 November 2023
Accepted: 4 January 2024
First Online: 17 January 2024
Declarations
:
: The study was approved by the National Center for Health Statistics Institutional Review Board. Written informed consent was obtained from all the participants.
: Not applicable.
: The authors declare no conflict of interest.