1. Vanderbilt Memory & Alzheimer’s Center, Department of Neurology (A.L.J., F.E.C., E.E.M., K.R.P., K.A.G., T.J.H.), Vanderbilt University Medical Center, Nashville, TN.
2. Division of Cardiovascular Medicine, Department of Medicine (A.L.J., S.P.B., T.J.W., J.A.B), Vanderbilt University Medical Center, Nashville, TN.
3. Vanderbilt Brain Institute, Vanderbilt University School of Medicine, Nashville, TN (F.E.C., E.E.M.).
4. Department of Biostatistics (D.L., J.E.N.), Vanderbilt University Medical Center, Nashville, TN.
5. Radiology and Radiological Sciences (J.G.T., S.N., L.T.D., J.J.C.), Vanderbilt University Medical Center, Nashville, TN.
6. Department of Radiology, University of Washington Medical Center, Seattle (S.R.).
7. Center for Quality Aging, Division of General Internal Medicine, Department of Medicine (S.P.B.), Vanderbilt University Medical Center, Nashville, TN.