Yasuda, K.
Wakatsuki, R.
Morimoto, T.
Yoshimi, R.
Tsukazaki, A.
Takahashi, K. S.
Ezawa, M.
Kawasaki, M.
Nagaosa, N.
Tokura, Y.
Article History
Received: 25 August 2015
Accepted: 19 January 2016
First Online: 22 February 2016
Competing interests
: The authors declare no competing financial interests.