1. Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Division of Rehabilitation Psychology and Neuropsychology, Baltimore, MD, USA
2. Multiple Sclerosis Center of Excellence, VA Puget Sound Health Care System, Seattle Division, Seattle, WA, USA
3. Yeshiva University, Ferkauf Graduate School of Psychology, Bronx, NY, USA
4. University of Utah, Division of Occupational Therapy, Salt Lake City, UT, USA
5. Department of Rehabilitation Medicine, University of Washington (UW), UW Medicine Multiple Sclerosis Center, Seattle, WA, USA