1. Neuroscience Program, Trinity College, Hartford, CT, USA
2. Department of Psychology, Trinity College, Hartford, CT, USA
3. Multiple Sclerosis Center of Excellence West, Veterans Affairs, Seattle, WA, USA
4. Rehabilitation Care Service, VA Puget Sound Health Care System, Seattle, WA, USA
5. Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA
6. Mandell Center for Multiple Sclerosis, Mount Sinai Rehabilitation Hospital, Trinity Health Of New England, Hartford, CT, USA
7. Department of Rehabilitative Medicine, Frank H. Netter MD School of Medicine, Quinnipiac University, North Haven, CT, USA
8. Department of Medical Sciences, Frank H. Netter MD School of Medicine, Quinnipiac University, North Haven, CT, USA
9. Department of Neurology, University of Connecticut School of Medicine, Farmington, CT, USA