Koczan, Dirk
Fitzner, Brit
Zettl, Uwe Klaus
Hecker, Michael
Article History
Received: 26 March 2018
Accepted: 21 May 2018
First Online: 24 July 2018
Competing interests
: D.K. and B.F. declare that they have no competing interests. U.K.Z. received research support as well as speaking fees and travel funds from Almirall, Bayer HealthCare, Biogen, Merck Serono, Novartis, Sanofi Genzyme and Teva. M.H. received speaking fees and travel funds from Bayer HealthCare, Biogen, Novartis and Teva.