Nakagawa, Seishu
Takeuchi, Hikaru
Taki, Yasuyuki
Nouchi, Rui
Sekiguchi, Atsushi
Kotozaki, Yuka
Miyauchi, Carlos Makoto
Iizuka, Kunio
Yokoyama, Ryoichi
Shinada, Takamitsu
Yamamoto, Yuki
Hanawa, Sugiko
Araki, Tsuyoshi
Hashizume, Hiroshi
Kunitoki, Keiko
Sassa, Yuko
Kawashima, Ryuta
Article History
Received: 10 May 2015
Accepted: 22 October 2015
First Online: 20 November 2015
Competing interests
: The authors declare no competing financial interests.