Text and Data Mining valid from 2019-08-20
Received: 12 March 2019
Accepted: 30 July 2019
First Online: 20 August 2019
Ethics approval and consent to participate
: The review board of the Renmin Hospital of Wuhan University has approved the whole research plan. The volunteers and patients have signed an informed consent that allowed their clinical data to be used for the research.
: All authors reviewed the final version of the manuscript and approved it for submission.
: The authors declare that they have no competing interests.