Funding for this research was provided by:
Japan Society for the Promotion of Science (26713008 and 16K15181, 15K18974 and 17K08543)
Salt Science Research Foundation (1542 and 18C2)
Text and Data Mining valid from 2019-02-25
Received: 19 July 2018
Accepted: 12 November 2018
First Online: 25 February 2019
: The authors declare no competing interests.