[1] Barts & London Queen Marys Sch Med & Dent, Blizard Inst, London, England
[2] Inst Expt Neurol, Milan, Italy
[3] Univ Med & Dent New Jersey, Newark, NJ 07103 USA
[4] Ohio State Univ, Miami, FL USA
[5] Dept Neurol, Bamberg, Germany
[6] Danish MS Ctr, Copenhagen, Denmark
[7] Univ Lille, Lille, France
[8] EMD Serono Inc, Rockland, NY USA
[9] EMD Serono Inc, Rockland, MA USA
[10] Merck Serono, Geneva, Switzerland