1. From the Department of Veterans Affairs, Veterans Affairs (VA) Center for Clinical Management and Research, Ann Arbor VA Healthcare System, Ann Arbor, MI (J.F.B.); the Robert Wood Johnson Clinical Scholars Program (J.F.B.), the Stroke Program (J.F.B., L.D.L., D.L.B., L.B.M.), and the Department of Epidemiology (L.D.L., L.B.M.), University of Michigan, Ann Arbor, MI; and the Department of Epidemiology, Michigan State University, East Lansing MI (M.J.R.).