1. Neurological Clinic, University of Bochum, Bochum, Germany
2. Manchester Centre for Clinical Neurosciences, Salford Care Organisation, Northern Care Alliance NHS Foundation Trust, Salford, UK
3. Department of Neurology, University College Dublin and St. Vincent’s University Hospital, Dublin, Ireland
4. The Partners MS Center, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
5. Adult Neurology Clinic, Charlottesville, VA, USA
6. Biogen, Cambridge, MA, USA