Yamauchi, Hideo http://orcid.org/0000-0002-5168-0670
Ikejiri, Junichi http://orcid.org/0000-0002-3454-6824
Tsunoda, Kei
Tanaka, Ayumu
Sato, Fumio
Honma, Tsuyoshi http://orcid.org/0000-0001-6308-4713
Komatsu, Takayuki http://orcid.org/0000-0003-2116-5122
Article History
Received: 29 November 2019
Accepted: 19 May 2020
First Online: 11 June 2020
Competing interests
: The authors declare no competing interests.