Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (105-2221-E-035-085-MY3)
China Medical University (CMU105-S-50)
Text and Data Mining valid from 2019-11-20
Received: 13 August 2019
Accepted: 13 November 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: Not applicable.
: All authors agree to submit the work to the journal.
: The authors declare that they have no competing interests.