1. Kimberly J. Waddell, MS, OTR/L, is Occupational Therapist, Rehabilitation Institute of Chicago, Chicago, IL
2. Rebecca L. Birkenmeier, OTD, OTR/L, is Research Assistant Professor, Program in Occupational Therapy, Program in Physical Therapy, Department of Neurology, Washington University School of Medicine, St. Louis, MO
3. Jennifer L. Moore, PT, DHS, NCS, is Clinical Therapy Lead and Physical Therapist, Rehabilitation Institute of Chicago, Chicago, IL
4. T. George Hornby, PhD, PT, is Research Scientist, Rehabilitation Institute of Chicago, Chicago, IL, and Associate Professor, Department of Physical Therapy and Kinesiology and Nutrition, University of Illinois at Chicago
5. Catherine E. Lang, PhD, PT, is Associate Professor, Program in Physical Therapy, Program in Occupational Therapy, Department of Neurology, Washington University School of Medicine, 4444 Forest Park Avenue, Campus Box 8502, St. Louis, MO 63108-2212; langc@wustl.edu