Omi, T
Tanimukai, H
Kanayama, D
Sakagami, Y
Tagami, S
Okochi, M
Morihara, T
Sato, M
Yanagida, K
Kitasyoji, A
Hara, H
Imaizumi, K
Maurice, T
Chevallier, N
Marchal, S
Takeda, M
Kudo, T
Article History
Received: 16 January 2014
Revised: 16 May 2014
Accepted: 6 June 2014
First Online: 17 July 2014
Competing interests
: The authors declare no conflict of interest.