| Institution: | 1. Department of Neurology, University of Maryland, School of Medicine, Baltimore, MD, USA;2. Research Service, Veterans Administration Maryland Health Care System, Baltimore, MD, USA;3. Department of Medicine, Division of Rheumatology and Clinical Immunology, University of Maryland, School of Medicine, Baltimore, MD, USA;4. Department of Epidemiology and Public Health, University of Maryland, School of Medicine, Baltimore, MD, USA;5. Veterans Administration Multiple Sclerosis Center of Excellence, Baltimore, MD, USA |
