Okamoto, Munehiro
Miyazawa, Takayuki
Morikawa, Shigeru
Ono, Fumiko
Nakamura, Shota
Sato, Eiji
Yoshida, Tomoyuki
Yoshikawa, Rokusuke
Sakai, Kouji
Mizutani, Tetsuya
Nagata, Noriyo
Takano, Jun-ichiro
Okabayashi, Sachi
Hamano, Masataka
Fujimoto, Koji
Nakaya, Takaaki
Iida, Tetsuya
Horii, Toshihiro
Miyabe-Nishiwaki, Takako
Watanabe, Akino
Kaneko, Akihisa
Saito, Akatsuki
Matsui, Atsushi
Hayakawa, Toshiyuki
Suzuki, Juri
Akari, Hirofumi
Matsuzawa, Tetsuro
Hirai, Hirohisa
Article History
Received: 16 October 2014
Accepted: 28 January 2015
First Online: 6 March 2015
Competing interests
: The authors declare no competing financial interests.