1. Neurologic Clinic and Policlinic, Departments of Medicine, Clinical Research, Biomedicine and Biomedical Engineering, University Hospital of Basel, Basel, Switzerland
2. Department of Medicine, Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia/Department of Neurology, Box Hill Hospital, Monash University, Box Hill, VIC, Australia
3. Department of Neurology—Inflammatory Disorders of the Nervous System and Neurooncology, University of Münster, Münster, Germany
4. Department of Medicine, Royal Melbourne Hospital, University of Melbourne, Parkville, VIC, Australia
5. Biogen International GmbH, Zug, Switzerland
6. Biogen, Cambridge, MA, USA
7. Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari Aldo Moro, Bari, Italy