Yokota, Tomoya
Kato, Ken
Hamamoto, Yasuo
Tsubosa, Yasuhiro
Ogawa, Hirofumi
Ito, Yoshinori
Hara, Hiroki
Ura, Takashi
Kojima, Takashi
Chin, Keisho
Hironaka, Shuichi
Kii, Takayuki
Kojima, Yasushi
Akutsu, Yasunori
Matsushita, Hisayuki
Kawakami, Kentaro
Mori, Keita
Nagai, Yushi
Asami, Chika
Kitagawa, Yuko
Article History
Received: 14 September 2016
Accepted: 3 October 2016
First Online: 3 November 2016
Competing interests
: The authors declare no conflict of interest.