Guarise, M.
Piazza, B. Dalla
Berger, H.
Giannini, E.
Schmitt, T.
Rønnow, H. M.
Sawatzky, G. A.
van den Brink, J.
Altenfeld, D.
Eremin, I.
Grioni, M.
Article History
Received: 9 May 2014
Accepted: 5 November 2014
First Online: 18 December 2014
Competing interests
: The authors declare no competing financial interests.