Iyo, Akira
Yanagi, Yousuke
Kinjo, Tatsuya
Nishio, Taichiro
Hase, Izumi
Yanagisawa, Takashi
Ishida, Shigeyuki
Kito, Hijiri
Takeshita, Nao
Oka, Kunihiko
Yoshida, Yoshiyuki
Eisaki, Hiroshi
Article History
Received: 12 January 2015
Accepted: 30 March 2015
First Online: 12 May 2015
Competing interests
: The authors declare no competing financial interests.