Jiang, Bo
Wang, Limin
Zhang, Mei
Zhao, Zhenping
Zhang, Xiao
Li, Chun
Zhou, Maigeng
Article History
Received: 7 March 2023
Accepted: 13 April 2023
First Online: 2 May 2023
Declarations
:
: The study protrols were approved by the Chinese Center for Disease Control and Prevention ethical review committee. The written informed consent was obtained from all participants. The investigation can only be started after the participants agree and sign the written informed consent.
: Not applicable.
: All authors declare no competing interests.