Funding for this research was provided by:
Chang Gung Memorial Hospital, Linkou
Text and Data Mining valid from 2019-09-18
Received: 28 January 2019
Accepted: 5 September 2019
First Online: 18 September 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board of the Chang Gung Memorial Hospital (approval number: 201700870B0). The patient consent was exempted for the total animosity of all research data in this study.
: Not applicable.
: The authors declare that they have no competing interests.