[1] NeuroRx Res, Montreal, PQ, Canada
[2] McGill Univ, Montreal, PQ, Canada
[3] Univ Basel Hosp, CH-4031 Basel, Switzerland
[4] Charles Univ Prague, Sch Med 1, Prague, Czech Republic
[5] Med Univ Lodz, Lodz, Poland
[6] Moscow Multiple Sclerosis Ctr, Moscow, Russia
[7] Carolinas Med Ctr, Charlotte, NC 28203 USA
[8] Univ Munster, D-48149 Munster, Germany
[9] Univ Utah, Sch Med, Salt Lake City, UT USA
[10] Abbvie Biotherapeut Inc, Redwood City, CA USA
[11] Biogen Idec Inc, Cambridge, MA USA