Kato, M
Yamashita, T
Suzuki, R
Matsumoto, K
Nishimori, H
Takahashi, S
Iwato, K
Nakaseko, C
Kondo, T
Imada, K
Kimura, F
Ichinohe, T
Hashii, Y
Kato, K
Atsuta, Y
Taniguchi, S
Fukuda, T
Article History
First Online: 12 February 2016
Competing interests
: The authors declare no conflict of interest.