Funding for this research was provided by:
key clinical specialty discipline construction program of Fujian, P.R.C, major project of Fujian provincial department of science and technology (NO. 2014YZ0003 and NO. 2014YZ01)
Text and Data Mining valid from 2018-10-08
Received: 15 April 2018
Accepted: 6 September 2018
First Online: 8 October 2018
Ethics approval and consent to participate
: The study was approved by the ethics committee of the First Affiliated Hospital of Fujian Medical University.
: Not applicable.
: The authors declare that they have no competing interests.