Miyajima, Shin-ichi
Naruse, Keiko
Kobayashi, Yasuko
Nakamura, Nobuhisa
Nishikawa, Toru
Adachi, Kei
Suzuki, Yuki
Kikuchi, Takeshi
Mitani, Akio
Mizutani, Makoto
Ohno, Norikazu
Noguchi, Toshihide
Matsubara, Tatsuaki
Article History
Received: 24 January 2014
Accepted: 15 May 2014
First Online: 4 June 2014
Competing interests
: The authors declare no competing financial interests.