Ganzhorn, Marc
Klyatskaya, Svetlana
Ruben, Mario http://orcid.org/0000-0002-7718-7016
Wernsdorfer, Wolfgang
Article History
Received: 3 August 2015
Accepted: 28 March 2016
First Online: 29 April 2016
Competing interests
: The authors declare no competing financial interests.