Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (MOST 107-2627-E-002-002)
National Taiwan University (NTU-CC-108L893804)
Text and Data Mining valid from 2019-12-01
Received: 19 October 2019
Accepted: 2 December 2019
First Online: 11 December 2019
Availability of data and materials
: The tool is freely available at ExternalRef removed.
: The authors declare that they have no competing interests.