1. Department of Medicine (P.C., D.S.L., D.T.K.), University of Toronto, ON.
2. North American Observatory on Health Systems and Policies (P.C.), University of Toronto, ON.
3. Division of General Internal Medicine and Geriatrics, Sinai Health System and University Health Network, Toronto, ON (P.C., J.M.).
4. ICES, Toronto, ON (P.C., M.K., L.H., D.S.L., D.T.K.).
5. Department of Medicine, University of Iowa (S.G.).
6. Comprehensive Access Delivery Research and Evaluation, Iowa City Veterans Affairs Medical Center (S.G.).
7. Division of General Medicine, Department of Health Care Policy, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA (B.L.).
8. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health (D.S.L.), University of Toronto, ON.
9. Peter Munk Cardiac Centre and Joint Department of Medical Imaging, University Health Network, Toronto, ON (D.S.L.).
10. Division of Cardiology, Schulich Heart Centre, Sunnybrook Health Sciences Centre, Toronto, ON (D.T.K.).