Hirota, Kengo
Akagawa, Hiroyuki
Kikuchi, Asami
Oka, Hideki
Hino, Akihiko
Mitsuyama, Tetsuryu
Sasaki, Toshiyuki
Onda, Hideaki
Kawamata, Takakazu
Kasuya, Hidetoshi
Article History
Received: 2 August 2016
Revised: 16 August 2016
Accepted: 17 August 2016
First Online: 6 October 2016
Competing interests
: The authors declare no conflict of interest.