Text and Data Mining valid from 2018-12-15
Received: 5 November 2018
Revised: 9 December 2018
Accepted: 12 December 2018
First Online: 15 December 2018
Compliance with ethical standards
: Anna Lena Fisse: none. Kalliopi Pitarokoili: received travel grants and speakers’ honoraria from Novartis, Biogen idec, Teva, Bayer and Grifols all not related to the manuscript. Donata Gamber: none. Jeremias Motte: received travel grants from Biogen idec. Antonios Kerasnoudis: received travel grants and speakers’ honoraria from Grifols and Genesis all not related to the manuscript. Ralf Gold: received consultation fees and speaker honoraria from Bayer Schering, Biogen idec, Merck Serono, Novartis, Sanofi-Aventis and TEVA. He also acknowledges grant support from Bayer Schering, Biogen idec, Merck Serono, Sanofi-Aventis and TEVA, none related to this manuscript. Min-Suk Yoon: Dr. Yoon received speakers’ honoraria from CSL Behring, Grifols and scientific grant from CSL Behring.
: The ethics committee of the medical faculty of Ruhr University Bochum approved the study protocol and all patients signed informed consent (vote no. 4382-12, ethics committee of the medical faculty of the Ruhr University Bochum).