Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 106-EPA-F-016-001)
Text and Data Mining valid from 2019-05-06
Received: 17 September 2018
Accepted: 8 April 2019
First Online: 6 May 2019
Ethics approval and consent to participate
: This study was approved by the Chung Shan Medical University Institutional Review Board (CS2-17070).
: Not applicable.
: The authors declare that they have no competing interests.
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