1. From the Department of Neuroscience (B.D.C.B., S.A.L., B.J.M., N.K., K.M.H., O.A.R., N.E.-T., D.W.D., M.E.M.), Department of Quantitative Health Sciences (Z.P., R.E.C.), Department of Neurology (C.L., N.E.-T., N.R.G.-R.), and Department of Psychiatry & Psychology (C.L., T.J.F.), Mayo Clinic, Jacksonville; and Wien Center for Alzheimer's Disease and Memory Disorders (R.D.), Mount Sinai Medical Center, Miami Beach, FL.