1. S Blanton, PT, DPT, NCS, is Physical Therapist and Associate Director of Research Projects, Center for Rehabilitation Medicine, Emory University School of Medicine, 1441 Clifton Rd NE, Atlanta, GA 30332 (USA)
2. DM Morris, PT, PhD, is Associate Professor, Department of Physical Therapy, University of Alabama at Birmingham, Birmingham, Ala
3. MG Prettyman, PT, DPT, is Assistant Professor, Department of Physical Therapy, Hampton University, Hampton, Va. At time of this study, she was affiliated with the Department of Biokinesiology and Physical Therapy, University of Southern California, Los Angeles, Calif
4. K McCulloch, PT, PhD, NCS, is Associate Professor and Director, Transitional Doctor of Physical Therapy Program, University of North Carolina at Chapel Hill, Chapel Hill, NC
5. S Redmond, OT/L, is Associate Director of Physical, Occupational and Speech Therapy, Wake Forest University Baptist Medical Center, Winston-Salem, NC
6. KE Light, PT, PhD, is Associate Professor, Department of Physical Therapy, College of Public Health and Health Professions, University of Florida, Gainesville, Fla
7. SL Wolf, PT, PhD, FAPTA, is Professor, Center for Rehabilitation Medicine, Emory University School of Medicine