Chen, Ai-jun
Dong, Jie
Yuan, Xin-hui
Bo, Hong
Li, Shu-zhen
Wang, Chao
Duan, Zhao-jun
Zheng, Li-shu https://orcid.org/0000-0002-8780-6191
Funding for this research was provided by:
National Key Research and Development Program of China (2016YFC1200902)
Article History
Received: 18 September 2018
Accepted: 18 March 2019
First Online: 3 April 2019
Ethics approval and consent to participate
: The project was approved by the Ethical Committee of National Institute for Viral Disease Control and Prevention, China CDC.
: No applicable.
: The authors declare that they have no competing interests.
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