Funding for this research was provided by:
Kaohsiung Chang Gung Memorial Hospital (CMRPG8G0501)
Text and Data Mining valid from 2019-11-27
Received: 14 March 2019
Accepted: 14 October 2019
First Online: 27 November 2019
Ethics approval and consent to participate
: The present study was approved by the Chang Gung Medical Foundation Institutional Review Board (No. 201801950B1).
: Not applicable
: The authors declare that they have no competing interests.