Wakita, S
Yamaguchi, H
Ueki, T
Usuki, K
Kurosawa, S
Kobayashi, Y
Kawata, E
Tajika, K
Gomi, S
Koizumi, M
Fujiwara, Y
Yui, S
Fukunaga, K
Ryotokuji, T
Hirakawa, T
Arai, K
Kitano, T
Kosaka, F
Tamai, H http://orcid.org/0000-0002-9652-4559
Nakayama, K
Fukuda, T
Inokuchi, K
Article History
Received: 30 May 2015
Revised: 4 October 2015
Accepted: 7 October 2015
First Online: 21 October 2015
Competing interests
: The authors declare no conflict of interest.