1. From the Division of Preventive Medicine (J.M.G., C.H.H., J.E.B.) and the Cardiovascular Division (J.M.G.), Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Mass; Department of Ambulatory Care and Prevention (J.E.B., C.H.H.), Harvard Medical School, Boston, Mass; Department of Epidemiology (C.H.H., J.E.B.), Harvard School of Public Health, Boston, Mass; Department of Medicine (J.M.G.), Veterans Affairs Medical Center, Brockton/West Roxbury, Mass; Laboratory of...