Funding for this research was provided by:
The National Twelfth Five-year Mega-Scientific Projects of Infectious Diseases (2013ZX10003-004-001)
Received: 23 January 2019
Accepted: 9 October 2019
First Online: 29 October 2019
Change Date: 18 January 2020
Change Type: Correction
Change Details: In the original publication of this article  we noticed the Fig. 4 was incorrect. The correct Fig. 4 is as below.
Consent for publication
: Not applicable.
: The authors declare that they have no competing interests.