Zhou, Qunbo
Tang, Renhai
Yang, Yuecheng
Ye, Runhua
Gao, Jie
Li, Lin
Xiang, Lifen
Duan, Song
Shan, Duo
Article History
Received: 13 November 2024
Accepted: 7 March 2025
First Online: 26 March 2025
Declarations
:
: The Institutional Review Board of National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention (X230222728) gave ethical approval for this study. Since all data were deidentified and provided in the aggregated form, the informed consent was waived. All methods were performed in accordance with the Declaration of Helsink.
: Not applicable as all data are presented in the aggregate.
: The authors declare no competing interests.