Miyakawa, Kei
Matsunaga, Satoko
Kanou, Kazuhiko
Matsuzawa, Atsushi
Morishita, Ryo
Kudoh, Ayumi
Shindo, Keisuke
Yokoyama, Masaru
Sato, Hironori
Kimura, Hirokazu
Tamura, Tomohiko
Yamamoto, Naoki
Ichijo, Hidenori
Takaori-Kondo, Akifumi http://orcid.org/0000-0001-7678-4284
Ryo, Akihide
Article History
Received: 22 September 2014
Accepted: 17 March 2015
First Online: 22 April 2015
Competing interests
: The authors declare no competing financial interests.