Ohara, Koji
Mitsui, Akio
Mori, Masahiro
Onodera, Yohei
Shiotani, Shinya
Koyama, Yukinori
Orikasa, Yuki
Murakami, Miwa
Shimoda, Keiji
Mori, Kazuhiro
Fukunaga, Toshiharu
Arai, Hajime
Uchimoto, Yoshiharu
Ogumi, Zempachi
Article History
Received: 7 October 2015
Accepted: 21 January 2016
First Online: 19 February 2016
Competing interests
: The authors declare no competing financial interests.