[1] Texas Hlth Sci Ctr, Houston, TX USA
[2] Univ Calif San Francisco, Multiple Sclerosis Ctr, San Francisco, CA 94143 USA
[3] Univ Ottawa, Ottawa Hosp Res Inst, Ottawa, ON, Canada
[4] Heinrich Heine Univ, Med Fac, Dusseldorf, Germany
[5] Icahn Sch Med Mt Sinai, New York, NY 10029 USA
[6] UCL Inst Neurol, Queen Sq MS Ctr, London, England
[7] Hosp San Pedro Univ Vall dHebron, Barcelina, Spain
[8] Vrije Univ Amsterdam Med Ctr, Amsterdam, Netherlands
[9] Harvard Med Sch, Brigham & Womens Hosp, Boston, MA USA
[10] Univ Paris 06, Salpetriere Hosp, Paris, France
[11] Novartis Pharma AG, Basel, Switzerland
[12] Novartis Pharmaceut, E Hanover, NJ USA
[13] Univ Basel, Univ Hosp, Basel, Switzerland