1. From the Divisions of General Medicine and Primary Care (K.J.M.) and Cardiology (M.A.M.), Beth Israel Deaconess Medical Center, Boston, Mass; Departments of Biostatistics (R.A.K.), Epidemiology (D.S.S.), and Medicine (D.S.S.), University of Washington, Seattle, Wash; Department of Epidemiology (M.A.M.), Harvard School of Public Health, Boston, Mass; Department of Radiology (D.H.O.), Tufts University School of Medicine, Boston, Mass; Department of Radiology (J.F.P.), Brigham and Women’s Hospital,...