Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (104-2314-B-182A-101-MY3)
Chang Gung Research Proposal (CMRPG8F0871 and CMRPG8C0763)
Text and Data Mining valid from 2019-04-03
Received: 20 January 2019
Accepted: 26 March 2019
First Online: 3 April 2019
Ethics approval and consent to participate
: This study adhered to the tenets of the Declaration of Helsinki, and was approved by the Institutional Review Board of Chang Gung Memorial Hospital (study reference number: 201701609B0). The Institutional Review Board granted a waiver of consent for this study.
: Not applicable.
: The authors declare that they have no competing interests.
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