1. Canadian Partnership Against Cancer, Toronto, Canada
2. Center for Evidence and Practice Improvement, Agency for Healthcare Research and Quality, Rockville, Maryland
3. ICES, Toronto, Ontario, Canada
4. Department of Family and Community Medicine, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
5. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
6. Department of Family and Community Medicine, St Michael's Hospital, Toronto, Ontario, Canada
7. Ted Rogers Centre for Heart Research at the Peter Munk Cardiac Centre, Toronto, Ontario, Canada
8. Sunnybrook Research Institute, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada