Text and Data Mining valid from 2018-07-11
Received: 4 March 2018
Accepted: 3 July 2018
First Online: 11 July 2018
: Given the study was a comprehensive research rather than animal experimental research, no need for the approval of the ethics committee. The findings and conclusions in this report are those of the author and do not necessarily represent the official position of BMC Infectious Diseases.
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