Susan C. Robertson, MS, OTR/L, FAOTA, is Senior Occupational Therapist, Occupational Therapy Section, Rehabilitation Medicine Department, National Institutes of Health Bethesda, Maryland (Mailing address: 5618 Greentree Road, Bethesda, Maryland 20817-3550)

Anne Pas Colborn, EdD, OTR/L, FAOTA, is Senior Occupational Therapist, Occupational Therapy Service, Walter Reed Army Medical Center, Washington, DC