Hirayasu, Kouyuki
Saito, Fumiji
Suenaga, Tadahiro
Shida, Kyoko
Arase, Noriko
Oikawa, Keita
Yamaoka, Toshifumi
Murota, Hiroyuki
Chibana, Hiroji
Nakagawa, Ichiro
Kubori, Tomoko
Nagai, Hiroki
Nakamaru, Yuji
Katayama, Ichiro
Colonna, Marco
Arase, Hisashi http://orcid.org/0000-0002-1153-3166
Article History
Received: 28 September 2015
Accepted: 22 March 2016
First Online: 25 April 2016
Competing interests
: The authors declare no competing financial interests.