1. Department of Neurology, University of Washington Medical Center, Seattle, WA, USA
2. Hope Neurology MS Center, Knoxville, TN, USA
3. Department of Neurology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany
4. The MS Center for Innovations in Care, Missouri Baptist Medical Center, St. Louis, MO, USA
5. Collegium Medicum UJK and Clinical Center, RESMEDICA, Kielce, Poland
6. Center of Clinical Neuroscience, Carl Gustav Carus University Hospital, Dresden, Germany
7. Strasbourg University Hospital and Clinical Investigation Center, INSER 1434, Strasbourg, France
8. Multiple Sclerosis Center, Swedish Neuroscience Institute, Seattle, WA, USA
9. Biogen, Cambridge, MA, USA
10. Biogen, Maidenhead, UK
11. Biogen, 225 Binney Street, Cambridge, MA 02142-1031, USA
12. Washington University School of Medicine, St. Louis, MO, USA