1. Women’s College Hospital, Toronto, Canada (H.A.-Q., J.A.U.).
2. University Health Network, Toronto, Canada (H.A.-Q., A.C.T.H., C.A.J., D.A.A., R.S.B., M.K.K., K.T., J.A.U., D.S.L.).
3. ICES (formerly known as the Institute for Clinical Evaluative Sciences), Toronto, Canada (H.A.-Q., J.F., A.P., C.A.J., D.A.A., P.C.A., C.L.A., G.L.B., M.K.K., C.D.M., I.R., J.A.U., H.C.W., D.T.K., M.J.S., D.S.L.).
4. Institute of Health Policy, Management, and Evaluation (H.A.-Q., C.A.J., D.A.A., P.C.A., C.L.A., G.L.B., I.D., M.K.K., I.R., K.T., J.A.U., H.C.W., D.T.K., M.J.S., D.S.L.), University of Toronto, Toronto‚ Canada.
5. Department of Medicine (H.A.-Q., L.E.A., A.C.T.H., D.A.A., C.L.A., R.S.B., G.L.B., I.D., M.K.K., C.D.M., I.R., J.A.U., H.C.W., D.T.K., M.J.S., D.S.L.), University of Toronto, Toronto‚ Canada.
6. Western University of Health Sciences, Pomona, CA (C.A.J.).
7. Sunnybrook Health Sciences Centre, Toronto, Canada (C.L.A., C.D.M., I.R., H.C.W., D.T.K., M.J.S.).
8. Li Ka Shing Knowledge Institute of St Michael’s Hospital, Toronto, Canada (G.L.B., I.D.).
9. Departments of Family Medicine, University of Ottawa, Ottawa, Canada (S.J.)
10. Institu du Savoir, Hôpital Montfort‚ Ottawa, Canada (S.J.).
11. Center for Outcomes Research and Evaluation, Yale New Haven Hospital, New Haven, CT (H.M.K.).
12. Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, CT (H.M.K.).
13. Department of Health Policy and Management, Yale School of Public Health, New Haven, CT (H.M.K.).
14. Department of Family and Community Medicine (K.T.), University of Toronto, Toronto‚ Canada.
15. North York General Hospital, Toronto, Canada (K.T.).