[1] Univ Klinikum Carl Gustav Carus, Zentrum Klin Neurowissensch, Dresden, Germany
[2] Praxis Neurol, Munich, Germany
[3] Jud Krankenhaus Berlin, Zentrum Multiple Sklerose, Berlin, Germany
[4] Uniklin Munster, Klin Allgemeine Neurol, Munster, Germany
[5] NTD Study Grp, Ulm, Germany
[6] Neurol Praxis Kassel & Vellmar, Vellmar, Germany
[7] Philipps Univ, Klin Neurol, Marburg, Germany
[8] Univ Klinikum Giessen & Marburg, Marburg, Germany
[9] Novartis Pharma GmbH, Nurnberg, Germany