Matsubara, Y.
Takahashi, K. S.
Bahramy, M. S.
Kozuka, Y.
Maryenko, D.
Falson, J.
Tsukazaki, A.
Tokura, Y.
Kawasaki, M.
Article History
Received: 6 November 2015
Accepted: 15 April 2016
First Online: 27 May 2016
Competing interests
: The authors declare no competing financial interests.