Wagner, R. https://orcid.org/0000-0002-6120-0191
Machann, J.
Guthoff, M.
Nawroth, P. P.
Nadalin, S.
Saleem, M. A.
Heyne, N.
Königsrainer, A.
Fend, F. https://orcid.org/0000-0002-5496-293X
Schick, F.
Fritsche, A.
Stefan, N.
Häring, H.-U.
Schleicher, E.
Siegel-Axel, D. I.
Article History
Received: 19 January 2017
Accepted: 6 April 2017
First Online: 23 May 2017
Competing Interests
: The authors declare that they have no competing interests.