Arai, Y
Kanda, J
Nakasone, H
Kondo, T
Uchida, N
Fukuda, T
Ohashi, K
Kaida, K
Iwato, K
Eto, T
Kanda, Y
Nakamae, H
Nagamura-Inoue, T
Morishima, Y
Hirokawa, M
Atsuta, Y
Murata, M
,
Article History
Received: 15 April 2015
Revised: 19 July 2015
Accepted: 24 July 2015
First Online: 14 September 2015
Competing interests
: The authors declare no conflict of interest.