Xu, Jing
Liu, Shichuan
Ma, Wei
Li, Xiuwei
Guo, Min
Cao, Xiaoxiao
Gu, Yunyou
Wang, Haiyan
Wang, Jianqiang
Zhang, Ying
Zhuang, Guangxiu
Liu, Liejun https://orcid.org/0000-0001-5147-7675
Article History
Received: 8 November 2021
Accepted: 28 February 2022
First Online: 19 March 2022
Declarations
:
: The study was reviewed by the meeting of the ethics committee of the National Institute for Communicable Disease Control and Prevention, China CDC, and the ethical review approval number was ICDC-2014001. All participants signed an informed consent form.
: The authors have no conflicts of interest to declare.