1. Department of Neurology, Haukeland University Hospital, 5020, Bergen, Norway
2. Department of Neurology, University Hospital, 93053, Regensburg, Germany
3. Hospital Clínico San Carlos, 28040, Madrid, Spain
4. Medical Affairs, Novartis Pharma AG, CH-4056, Basel, Switzerland
5. University Hospital of Strasbourg, 67200, Strasbourg, France
6. Department of Neurology, The Newcastle upon Tyne Hospitals Trust, Newcastle upon Tyne, NE7 7DN, UK
7. Department of Neurology, Inselspital, Bern University Hospital, University of Bern, 3010, Bern, Switzerland