Funding for this research was provided by:
Kaohsiung Medical University Hospital (KMUH105-5R15, KMUH104-4M05)
Kaohsiung Municipal Siaogang Hospital (Kmhk-103-025, Kmhk-104-023)
Text and Data Mining valid from 2019-12-01
Received: 13 August 2019
Accepted: 29 November 2019
First Online: 26 December 2019
Ethics approval and consent to participate
: This study was approved by the Research Ethics Board of Kaohsiung Medical University Hospital (KMUHIRB-EXEMPT(I)-20150041).
: All authors have read and approved the manuscript for publication.
: The authors declare that they have no competing interests.