[1] Cleveland Clin Fdn, Mellen Ctr Multiple Sclerosis Treatment & Res, 9500 Euclid Ave, Cleveland, OH 44195 USA
[2] MS Ctr Atlanta, Atlanta, GA USA
[3] Johns Hopkins Multiple Sclerosis Ctr, Baltimore, MD USA
[4] Hop Neurol, Lyon, France
[5] Univ Penn, Sch Med, Philadelphia, PA 19104 USA
[6] Univ Basel Hosp, CH-4031 Basel, Switzerland
[7] Mt Sinai Sch Med, New York, NY USA
[8] SUNY Buffalo, Buffalo, NY USA
[9] Multiple Sclerosis Ctr, Northbrook, IL USA
[10] Biogen Idec Inc, Cambridge, MA USA
[11] Univ Klin Neurol, Graz, Austria
[12] Univ Klin Neurol, Innsbruck, Austria
[13] Elizabeth Ziekenhuis, Sijsele, Belgium
[14] Erasme Univ Hosp, Brussels, Belgium
[15] Scleroseklinik, Sydvestjysk Sygehus, Esbjerg, Denmark
[16] Scleroseklinik, Rigshosp, Copenhagen, Denmark
[17] Aarhus Hosp, Scleroseklinik, Neurologisk Afdeling F, Aarhus, Denmark
[18] Finnish Special Neurol Ctr, Turku, Finland
[19] Oulu Univ Hosp, Oulu, Finland
[20] Ctr Hosp Univ, Dijon, France
[21] Ctr Hosp Univ, Rennes, France
[22] Hop Rothschild, Paris, France
[23] Hop B Roger Salengro, Lille, France
[24] Ctr Hosp, Nancy, France
[25] Hop Adultes Timone, Marseille, France
[26] Hop La Pitie Salpetriere, Paris, France
[27] Hop Gabriel Montpied, Clermont Ferrand, France
[28] Hop Henri Mondor, Creteil, France
[29] Hop Jean Minjoz, Besancon, France
[30] Hop Neurol, Lyon, France
[31] Hop Pellegrin, Bordeaux, France
[32] Asklepios Klin Schildautal, Seesen, Germany
[33] Asklepios Klin Schildautal, Harz, Germany
[34] Deutsch Klin Diagnost, Wiesbaden, Germany
[35] Univ Dusseldorf, Dusseldorf, Germany
[36] Henrietten Stiftung Hannover, Hannover, Germany
[37] Inst Klin Neuroimmunol, Munich, Germany
[38] Judisches Krakenhaus, Berlin, Germany
[39] Kamillus Klin, Asbach, Germany
[40] Neurol Klin & Poliklin, Rostock, Germany
[41] Univ Regensburg, Neurol Klin & Poliklin, Regensburg, Germany
[42] Krankenhaus Hennigsdorf, Hennigsdorf, Germany
[43] Neurol Klin & Poliklin, Wurzburg, Germany
[44] Univ Klinikum Essen, Essen, Germany
[45] Stadtische Klin Osnabruck, Osnabruck, Germany
[46] Univ Giessen Klinikum, Giessen, Germany
[47] Hadassah Univ Hosp Ein Kerem, Jerusalem, Israel
[48] MS Ctr, Tel Hashomer, Israel
[49] Univ Roma La Sapienza, Policlin Umberto I, Rome, Italy
[50] Azienda Osped Padova, Clin Neurol 1, Padua, Italy