Jiao, Yifan
Zhang, Sihui
Yang, Jing
Lai, Xin-He
Dong, Kui
Cheng, Yanpeng
Xu, Mingchao
Zhu, Wentao
Lu, Shan
Jin, Dong
Pu, Ji
Huang, Ying
Liu, Liyun
Wang, Suping
Xu, Jianguo
Article History
Received: 14 April 2021
Revised: 27 September 2021
Accepted: 3 November 2021
First Online: 7 January 2022
Ethics
: <b>Conflicts of Interest</b> The authors declare that there are no conflicts of interest.
: <b>Ethical Statements</b> The ethical practice was approved by Ethical Committee of the National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention (# ICDC-2016004).