From the Vanderbilt Memory & Alzheimer's Center (B.S.P., D.L., H.A.K., F.E.C., K.R.P., K.E.O., K.A.G., T.J.H., M.S.S., A.L.J.), Department of Neurology (K.R.P., K.E.O., K.A.G., T.J.H., M.S.S., A.L.J.), Department of Biostatistics (D.L.), and Radiology & Radiological Sciences (L.T.D.), Vanderbilt University Medical Center; and Vanderbilt University School of Medicine (B.S.P.), Nashville, TN. (2019-03-19時点)