Funding for this research was provided by:
Scientific Research and Sharing Platform Construction Project of Shaanxi Province (2022PT-07)
Article History
Received: 3 July 2022
Accepted: 10 October 2022
First Online: 17 October 2022
Declarations
:
: The study was approved by the NCHS Ethics Review Board, and the original protocol is available online (). All participants aged 18 to 46 years were included and provided written informed consent.
: Not applicable.
: The authors declare no competing interests.