Nii, Y.
Nakajima, T. http://orcid.org/0000-0001-6557-5508
Kikkawa, A.
Yamasaki, Y.
Ohishi, K.
Suzuki, J.
Taguchi, Y.
Arima, T.
Tokura, Y.
Iwasa, Y.
Article History
Received: 1 May 2015
Accepted: 31 August 2015
First Online: 13 October 2015
Competing interests
: The authors declare no competing financial interests.