[1] Univ Clin Carl Gustav Carus, Dresden, Germany
[2] Praxis Neurol Munchen, Munich, Germany
[3] Jud Krankenhaus Berlin, Berlin, Germany
[4] Uniklin Munster, Munster, Germany
[5] NTD Study Grp, Ulm, Germany
[6] Neurol Gemeinschaftspraxis Kassel & Veilmar, Kassel, Germany
[7] NTD Study Grp, Bonn, Germany
[8] Philipps Univ Giessen & Marburg, Marburg, Germany
[9] Novartis Pharma GmbH, Nurnberg, Germany