Funding for this research was provided by:
the National Basic Research Program of China (973 Project 2013CB531501)
the State Key Project Specialized for Infectious Diseases (2017ZX10202201, 2017ZX10203201-006)
the TMMU Key Projects for Clinical Research (2012XLC05)
Text and Data Mining valid from 2018-04-23
Received: 24 November 2017
Accepted: 10 April 2018
First Online: 23 April 2018
Ethics approval and consent to participate
: All patients were provided the written informed consent prior to the study. The study was approved by the Ethics Committee of the Southwest Hospital of Third Military Medical University (Certificate No: 2015–28), meeting with the requirements of the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
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