1. Divisions of General Medicine and Primary Care (K.J.M.), Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215
2. Department of Epidemiology (R.H.M., L.H.K.), University of Pittsburgh, Pittsburgh, Pennsylvania 15213
3. Department of Pathology (R.P.T.), University of Vermont, Burlington, Vermont 05405
4. Departments of Biostatistics (R.A.K.), University of Washington, Seattle, Washington 98195
5. Department of Epidemiology (M.A.M.), Harvard School of Public Health, Boston, Massachusetts 02115
6. Divisions of Cardiology (M.A.M.), Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215
7. Departments Medicine (D.S.S.), University of Washington, Seattle, Washington 98195
8. Departments Epidemiology (D.S.S.), University of Washington, Seattle, Washington 98195