Komada, Takanori
Usui, Fumitake
Kawashima, Akira
Kimura, Hiroaki
Karasawa, Tadayoshi
Inoue, Yoshiyuki
Kobayashi, Motoi
Mizushina, Yoshiko
Kasahara, Tadashi
Taniguchi, Shun’ichiro
Muto, Shigeaki
Nagata, Daisuke
Takahashi, Masafumi
Article History
Received: 11 February 2015
Accepted: 5 May 2015
First Online: 5 June 2015
Competing interests
: The authors declare no competing financial interests.