Weng, Li
Fan, Junning
Yu, Canqing
Guo, Yu
Bian, Zheng
Wei, Yuxia
Yang, Ling
Chen, Yiping
Du, Huaidong
Chang, Liang
Gong, Weiwei
Chen, Junshi
Chen, Zhengming
Du, Bin
Lv, Jun http://orcid.org/0000-0001-7916-3870
Li, Liming
Article History
Received: 13 May 2020
Accepted: 7 August 2020
First Online: 31 August 2020
Ethics approval and consent to participate
: The study was approved by the Ethical Review Committee of the Chinese Center for Disease Control and Prevention (Beijing, China) and the Oxford Tropical Research Ethics Committee, University of Oxford (UK). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.