[1] Free Univ Amsterdam, Dept Neurol, Amsterdam, Netherlands
[2] Sci & Clin Review Associates LLC, New York, NY USA
[3] Hosp Sick Children, Div Neurol, Toronto, ON M5G 1X8, Canada
[4] Univ Hosp Ctr, Dept Neurosci, Toulouse, France
[5] Cleveland Clin Fdn, Mellen Ctr Multiple Sclerosis Treatment & Res, Cleveland, OH 44195 USA
[6] Sci Inst & Univ Hosp San Raffaele, Div Neurosci, Neuroimaging Res Unit, Milan, Italy
[7] Tohoku Univ, Grad Sch Med, Dept Multiple Sclerosis Therapeut, Sendai, Miyagi 980, Japan
[8] Charles Univ Prague, Fac Med 1, Dept Neurol, Prague, Czech Republic
[9] St Vincents Univ Hosp, Dublin 4, Ireland
[10] Kantonsspital, Univ Hosp, Dept Neurol, CH-4031 Basel, Switzerland
[11] Kantonsspital, Univ Hosp, Dept Biomed, CH-4031 Basel, Switzerland
[12] Mt Sinai Sch Med, Dept Neurol, Corrine Goldsmith Dickinson Ctr Multiple Sclerosi, New York, NY USA
[13] Univ Hosp Vall dHebron, Multiple Sclerosis Ctr Catalonia, Clin Neuroimmunol Unit, Barcelona, Spain
[14] Univ Toronto, St Michaels Hosp, Div Neurol, Toronto, ON M5B 1W8, Canada
[15] Univ Lund Hosp, Dept Neurol, S-22185 Lund, Sweden
[16] UCL, Inst Neurol, London WC1E 6BT, England
[17] Univ Calif San Francisco, Multiple Sclerosis Ctr, San Francisco, CA 94143 USA
[18] Mayo Clin, Dept Neurol, Rochester, MN USA
[19] Univ Texas Hlth Sci Ctr, Dept Neurol, Houston, TX USA