Affiliation: | 1. Department of Bioengineering, George Mason University, Fairfax, Virginia USA;2. Department of Electrical and Computer Engineering, George Mason University, Fairfax, Virginia USA;3. Center for the Study of Chronic Illness and Disability, George Mason University, Fairfax, Virginia USA;4. Department of Statistics, George Mason University, Fairfax, Virginia USA;5. Department of Rehabilitation Medicine, National Institutes of Health, Bethesda, Maryland USA |