Sasaki, Yasuyuki
Oguchi, Haruka
Kobayashi, Takuya
Kusama, Shinichiro
Sugiura, Ryo
Moriya, Kenta
Hirata, Takuya
Yukioka, Yuriya
Takaya, Naoki
Yajima, Shunsuke
Ito, Shinsaku
Okada, Kiyoshi
Ohsawa, Kanju
Ikeda, Haruo
Takano, Hideaki
Ueda, Kenji
Shoun, Hirofumi
Article History
Received: 30 July 2015
Accepted: 4 February 2016
First Online: 25 February 2016
Competing interests
: The authors declare no competing financial interests.