Funding for this research was provided by:
the National Key R&D Program of China (2018YFC1314003)
Text and Data Mining valid from 2019-08-01
Received: 27 March 2019
Accepted: 19 July 2019
First Online: 1 August 2019
Ethics approval and consent to participate
: This study was approved by the Clinical Research Ethics Committee of the First Affiliated Hospital of Zhejiang University. The institutional review board approved this procedure. All participants gave written informed consent before inclusion in the study.
: All authors have seen and approved the manuscript being submitted.
: The authors declare that they have no competing interests.