Ohashi, Takuma
Komatsu, Shuhei
Ichikawa, Daisuke
Miyamae, Mahito
Okajima, Wataru
Imamura, Taisuke
Kiuchi, Jun
Kosuga, Toshiyuki
Konishi, Hirotaka
Shiozaki, Atsushi
Fujiwara, Hitoshi
Okamoto, Kazuma
Tsuda, Hitoshi
Otsuji, Eigo
Article History
Revised: 26 September 2016
Accepted: 3 November 2016
First Online: 29 November 2016
Competing interests
: The authors declare no conflict of interest.