1. Biomedical Engineering, The Catholic University of America, Washington, D.C.
2. 1Biomedical Engineering, The Catholic University of America, Washington, D.C. and Rehabilitation Engineering Service, The National Rehabilitation Hospital, Washington, D.C.
3. Rehabilitation Engineering Service, The National Rehabilitation Hospital, Washington, D.C.
4. Rehabilitation Engineering Service, The National Rehabilitation Hospital, Washington, D.C