1. Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System (H.J.A., L.M.T., D.G., L.C., A.G., S.D., L.D., S.S., K.C.).
2. Department of Neurology, Boston University School of Medicine, MA (H.J.A., S.S.).
3. Boston Medical Center, MA (H.J.A.).
4. Department of Biostatistics, Boston University School of Public Health, MA (D.G., S.D.).
5. Division of Aging, Department of Medicine, Brigham and Women’s Hospital, Boston, MA (L.D., K.C.).
6. Glenn Biggs Institute for Alzheimer’s & Neurodegenerative Diseases, University of Texas Health Sciences Center, San Antonio (S.S.).
7. Atlanta VA Medical Center, GA (P.W.F.W.).
8. Division of Cardiology, Department of Medicine, Emory University School of Medicine, Atlanta, GA (P.W.F.W.).
9. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA (P.W.F.W.).