1. Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, USA
2. Alzheimer's Disease Center, University of Kentucky, Lexington, KY, USA
3. Department of Biostatistics, University of Kentucky, Lexington, KY, USA
4. Department of Statistics, University of Kentucky, Lexington, KY, USA
5. Citi Bank, Long Island, NY, USA
6. Baptist Neurology Center, Lexington, KY, USA
7. Department of Neurology, College of Medicine, University of Kentucky, Lexington, KY, USA
8. Department of Pathology, University of Kentucky, Lexington, KY, USA
9. Department of Anatomy and Neurobiology, College of Medicine, University of Kentucky, Lexington, KY, USA