Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (106-2218-E-468 -001, 107-2221-E-155 -048 -MY3, and 108-2634-F-008 -001.)
Text and Data Mining valid from 2019-08-14
Received: 31 May 2019
Accepted: 6 August 2019
First Online: 14 August 2019
Ethics approval and consent to participate
: This study does not involve human participants, human data, or human tissue.
: In the manuscript, there is no any individual person’s data.
: The authors declare that they have no competing interests.