1. Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Atlanta VA Health Care System, Decatur, Georgia, United States
2. Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, Georgia, United States
3. Department of Ophthalmology, Emory University, Atlanta, Georgia, United States
4. Section Endocrinology & Metabolism, Atlanta VA Health Care System & Emory University School of Medicine, Decatur, Georgia, United States