1. Division of Geriatrics and Gerontology, Department of Medicine, Emory University School of Medicine, Atlanta, GA, USA
2. Department of Neurology, University of Texas Southwestern, Dallas, TX, USA
3. Emory University School of Nursing, Atlanta, GA, USA
4. Department of Neurology, Emory University School of Medicine, Atlanta, GA, USA
5. Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA, USA
6. Department of Bioinformatics, Emory University School of Medicine, Atlanta, GA, USA
7. Birmingham/Atlanta VA Geriatric Research, Education, and Clinical Center (GRECC), Atlanta, GA, USA
8. Department of Rehabilitation Medicine, Emory University School of Medicine, Atlanta, GA, USA
9. Atlanta VA Center for Visual and Neurocognitive Rehabilitation, Decatur, GA, USA