[1] NYU, Multiple Sclerosis Comprehens Care Ctr, Langone Med Ctr, New York, NY USA
[2] SUNY Buffalo, Dept Neurol, Jacobs Sch Med & Biomed Sci, Buffalo, NY USA
[3] Univ Vita Salute San Raffaele, Milan, Italy
[4] Casa Cura Policlin, Milan, Italy
[5] Univ Alabama Birmingham, Dept Biostat, Birmingham, AL USA
[6] Hosp Clin San Carlos, Madrid, Spain
[7] Roche Prod Ltd, Welwyn Garden City, England
[8] F Hoffmann La Roche Ltd, Basel, Switzerland
[9] Univ Lille, Inserm U1172 LilNCog, CHU Lille, FHU Precise, Lille, France