Freiesleben, Sherry
Hecker, Michael
Zettl, Uwe Klaus
Fuellen, Georg
Taher, Leila
Article History
Received: 1 June 2016
Accepted: 15 September 2016
First Online: 3 October 2016
Competing interests
: U.K.Z. received speaking fees and financial support for research activities from Almirall, Bayer HealthCare, Biogen, Merck Serono, Novartis, Sanofi and Teva. M.H. received speaking fees and travel support from Bayer HealthCare, Biogen, Novartis and Teva. S.F., L.T. and G.F. declare no potential conflicts of interest in connection with this paper.