Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 105-3111-Y-001-036)
Text and Data Mining valid from 2019-05-09
Received: 18 February 2019
Accepted: 22 April 2019
First Online: 9 May 2019
Ethics approval and consent to participate
: This study was approved by the institutional review boards of the NDMC (IRB number: TSGHIRB-099-05-058). All participants signed an informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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