Miyamoto, Yoshiyuki http://orcid.org/0000-0001-6834-0499
Komatsu, Tokutaro http://orcid.org/0000-0003-2415-7777
Article History
Received: 14 February 2019
Accepted: 21 August 2019
First Online: 3 September 2019
Competing Interests
: The authors declare no competing interests.