Funding for this research was provided by:
Korea Institute of Planning and Evaluation for Technology in Food, Agriculture, Forestry and Fisheries ((115044-03-3-HD020))
Soonchunhyang University (.)
Text and Data Mining valid from 2019-12-01
Received: 1 November 2019
Accepted: 18 December 2019
First Online: 30 December 2019
: The authors declare that they have no competing interests.