Krannich, S.
Sidis, Y.
Lamago, D.
Heid, R.
Mignot, J.-M.
Löhneysen, H. v.
Ivanov, A.
Steffens, P.
Keller, T. http://orcid.org/0000-0001-5600-4914
Wang, L.
Goering, E.
Weber, F.
Article History
Received: 20 February 2015
Accepted: 21 October 2015
First Online: 27 November 2015
Competing interests
: The authors declare no competing financial interests.