[1] Univ Minho, Life & Hlth Sci Res Inst, Sch Med, Braga, Portugal
[2] Tech Univ Munich, Sch Med, Dept Neurol, Munich, Germany
[3] Univ Calif San Francisco, UCSF Weill Inst Neurosci, Dept Neurol, San Francisco, CA USA
[4] IRCCS San Raffaele Sci Inst, Div Neurosci, Neuroimaging Res Unit, Milan, Italy
[5] IRCCS San Raffaele Sci Inst, Neurol Unit, Milan, Italy
[6] IRCCS San Raffaele Sci Inst, Neurorehabilitat Unit, Milan, Italy
[7] IRCCS San Raffaele Sci Inst, Neurophysiol Serv, Milan, Italy
[8] Univ Vita Salute San Raffaele, Milan, Italy
[9] Oklahoma Med Res Fdn, Multiple Sclerosis Ctr Excellence, Oklahoma City, OK USA
[10] Morriston Hosp, Dept Neurol, Swansea, W Glam, Wales
[11] Univ British Columbia, Dept Neurol, Vancouver, BC, Canada
[12] Tech Univ Dresden, Univ Clin Carl Gustav Carus, Dept Neurol, Ctr Clin Neurosci, Dresden, Germany
[13] Univ Colorado Denver, Dept Neurol, Rocky Mt Multiple Sclerosis Ctr, Anschutz Med Campus, Denver, CO USA
[14] F Hoffmann Roche Ltd, Basel, Switzerland
[15] Genentech Inc, San Francisco, CA USA
[16] Gen Univ Hosp, Prague, Czech Republic
[17] Charles Univ Prague, Dept Neurol, Prague, Czech Republic
[18] Charles Univ Prague, Ctr Clin Neurosci, Prague, Czech Republic