1. From the National Alzheimer's Coordinating Center, Department of Epidemiology, University of Washington, Seattle, Washington, USA (MAT, CM, KG, JEC, Y-CC, KCGC, WAK); Sanders-Brown Center on Aging, University of Kentucky, Lexington, Kentucky, USA (GJ, PTN, YK); Division of Neuropathology, Department of Pathology, University of Kentucky, Lexington, Kentucky, USA (PTN); Department of Biostatistics,