Funding for this research was provided by:
National Natural Science Foundation of China (81371848)
Infective Diseases Prevention and Cure Project of China (2017ZX10303404-002)
Text and Data Mining valid from 2019-10-23
Received: 19 July 2019
Accepted: 7 October 2019
First Online: 23 October 2019
Ethics approval and consent to participate
: This study was carried out in strict accordance with the National Natural Science Foundation of China ethical guidelines for biomedical research involving living animals and human subjects.
: Not applicable.
: The authors declare that they have no competing interests.