Iwasa, Ayumu
Kondo, Akihiro
Kawachi, Shiro
Akiba, Kazuto
Nakanishi, Yoshiki
Yoshizawa, Masahito
Tokunaga, Masashi http://orcid.org/0000-0002-1401-9381
Kindo, Koichi
Article History
Received: 9 August 2018
Accepted: 15 December 2018
First Online: 8 February 2019
Competing Interests
: The authors declare no competing interests.