[1] Queen Mary Univ London, Blizard Inst, Barts & London Sch Med & Dent, London, England
[2] Pirogov Russian Natl Res Med Univ, Fed Ctr Brain Res & Neurotechnol, Dept Neurol Neurosurg & Med Genet, Moscow, Russia
[3] FLENI Inst, Dept Neurol, Buenos Aires, Argentina
[4] Univ Hosp Rennes, Dept Neurol, Rennes, France
[5] Univ Ottawa, Dept Med, Ottawa, ON, Canada
[6] Ottawa Hosp Res Inst, Ottawa, ON, Canada
[7] Hosp Univ Vall Hebron, Ctr Esclerosi Multiple Catalunya Cemcat, Dept Neurol Neuroimmunol, Barcelona, Spain
[8] Univ Miami, MS Res Ctr, Sch Med, Miami, FL USA
[9] Rush Med Coll, Dept Neurol Sci, Chicago, IL USA
[10] Harley St Med Ctr, Neurol Inst, Abu Dhabi, U Arab Emirates
[11] Amer Univ, Beirut Med Ctr, Beirut, Lebanon
[12] Merck KGaA, Darmstadt, Germany