Funding for this research was provided by:
Chi Mei Medical Center (CMFHR10683)
Text and Data Mining valid from 2018-08-07
Received: 12 March 2018
Accepted: 30 July 2018
First Online: 7 August 2018
Ethics approval and consent to participate
: The Institutional Review Board at the Chi-Mei Medical Center approved this study and waived the need for informed consents from participants because the dataset consists of de-identified data. This waiver does not affect the rights and welfare of the participants.
: Not applicable.
: The authors declare that they have no competing interests.
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