1. Department of Neurology, Medical Faculty; Heinrich Heine University; Düsseldorf Germany
2. National Institute of Neurological Disorders and Stroke; NIH; Bethesda MD
3. Institute for Virology; Heinrich Heine University; Düsseldorf Germany
4. Department of Neurology; Ruhr University; Bochum Germany
5. Research Program Infection and Cancer; German Cancer Research Center; Heidelberg Germany
6. Institute of Clinical Neuroimmunology; Ludwig Maximilian University and Munich Cluster for Systems Neurology (SyNergy); Munich Germany
7. Department of Neurology; Caritas Hospital; Bad Mergentheim Germany
8. Department of Neurology; Hanover Medical School; Hanover Germany
9. Department of Neurology; Johannes Wesling Hospital Minden; Minden Germany
10. Department of Neurology; Merheim Hospital; Cologne Germany
11. Department of Neurology; Marienhospital Hamburg; Hamburg Germany
12. Institute for Clinical Chemistry and Laboratory Diagnostics; University Hospital Düsseldorf; Düsseldorf Germany
13. Department of Neurology; University of Würzburg; Würzburg Germany
14. MS Center Amsterdam and Department of Radiology; VU University Medical Center; Amsterdam the Netherlands
15. Department of Pharmacology and Clinical Neuroscience; Umea University Hospital; Umea Sweden
16. Department of Neurology, Center for Molecular Medicine; Karolinska Institutet; Stockholm Sweden