1. Harvard Medical School Boston MA USA
2. MAP Centre for Urban Health Solutions Li Ka Shing Knowledge Institute, St. Michael's Hospital Toronto Canada
3. ICES Central Toronto Canada
4. ICES Western London Canada
5. Division of Biostatistics, Dalla Lana School of Public Health University of Toronto Toronto Canada
6. Division of Palliative Care McMaster University Hamilton Canada
7. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health University of Toronto Toronto Canada
8. Division of General Internal Medicine, Department of Medicine University of Toronto Toronto Canada
9. Richard A. and Susan F. Smith Center for Outcomes Research Beth Israel Deaconess Medical Center Boston MA USA