Hiasa, M
Teramachi, J
Oda, A
Amachi, R
Harada, T
Nakamura, S
Miki, H
Fujii, S
Kagawa, K
Watanabe, K
Endo, I
Kuroda, Y
Yoneda, T
Tsuji, D
Nakao, M
Tanaka, E http://orcid.org/0000-0002-2707-1613
Hamada, K
Sano, S
Itoh, K
Matsumoto, T
Abe, M
Article History
Received: 3 December 2013
Revised: 14 March 2014
Accepted: 21 April 2014
First Online: 2 May 2014
Competing interests
: The authors declare no conflict of interest.