Kiuchi, Takashi
Koga, Hikaru
Kawamoto, Munetaka
Shoji, Keisuke
Sakai, Hiroki
Arai, Yuji
Ishihara, Genki
Kawaoka, Shinpei
Sugano, Sumio
Shimada, Toru
Suzuki, Yutaka
Suzuki, Masataka G.
Katsuma, Susumu
Article History
Received: 2 October 2013
Accepted: 8 April 2014
First Online: 14 May 2014
Competing interests
: The authors declare no competing financial interests.