Yoshino, Ken-ichiro
Fujiwara, Mikio
Nakata, Kensuke
Sumiya, Tatsuya
Sasaki, Toshihiko
Takeoka, Masahiro
Sasaki, Masahide
Tajima, Akio
Koashi, Masato
Tomita, Akihisa http://orcid.org/0000-0002-5989-039X
Article History
Received: 3 August 2017
Revised: 20 December 2017
Accepted: 28 December 2017
First Online: 9 February 2018
Competing interests
: The authors declare no competing financial interests.