1. Division of Geriatric Medicine and Gerontology, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania2Alzheimer's Disease Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania
2. Division of Geriatric Medicine and Gerontology, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania3Department of Biostatistics, University of Pittsburgh, Pittsburgh, Pennsylvania
3. Alzheimer's Disease Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania4Department of Neurology, University of Pittsburgh, Pittsburgh, Pennsylvania
4. Alzheimer's Disease Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania5Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania
5. Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania6currently with Department of Radiology, Harvard University, Boston, Massachusetts
6. Section on Geriatrics and Gerontology, Department of Internal Medicine, Wake Forest University, Winston-Salem, North Carolina
7. Department of Neurology, University of Florida, Gainesville, Florida
8. Alzheimer's Disease Research Center, University of Pittsburgh, Pittsburgh, Pennsylvania9Department of Psychiatry, University of Pittsburgh, Pittsburgh, Pennsylvania