Funding for this research was provided by:
the Scientific Research Project of the Wuhan Municipal Health Commission (WX23Z07)
Article History
Received: 29 July 2024
Accepted: 16 October 2024
First Online: 18 November 2024
Declarations
:
: The study protocols were approved by the National Center for Health Statistics (NCHS) Research Ethics Review Board (ERB). The relevant protocol numbers are Protocol #2011-17 (effective from 2011 to October 26, 2017) and Protocol #2018-01 (effective from October 26, 2017 onwards). Informed consent was obtained from all participants involved in the study.
: Not applicable.
: The authors declare no competing interests.
: Not applicable.