Zhang, Guang
Yang, Xue
Kang, Wenting
Liu, Tongtong
Cheng, Lili
Qu, Meixia
Wang, Xinlun
Tang, Houlin
Article History
Received: 3 January 2023
Accepted: 25 May 2023
First Online: 2 June 2023
Change Date: 12 June 2023
Change Type: Update
Change Details: Incorrect pin code has been corrected.
Declarations
:
: All participants participating in this study were required to click the "YES" button on the electronic informed consent form, otherwise the questionnaire would be invalid. This study was approved by the Institutional Review Board (IRB) of the National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention (Approval NO. KX201202627).
: Not applicable.
: The authors declare no competing interests.