Ellen Scherling, MA, OTR, is Director of Occupational Therapy at Duke University Medical Center in Durham, North Carolina. At the time of this study, she was Director of Occupational Therapy, Roosevelt Warm Springs Institute for Rehabilitation, Warm Springs, Georgia

Harvey Johnson, CO, is a Certified Orthotist at Duke University Medical Center, Department of Prosthetics and Orthotics, PO Box 3885, Durham, North Carolina 27710. At the time of this study, he was a Certified Orthotist in the Department of Orthotics and Prosthetics, Roosevelt Warm Springs Institute for Rehabilitation, Warm Springs, Georgia