1. Institute of Health Policy, Management, and Evaluation and Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
2. ICES, Toronto, Canada
3. Cardiovascular Division, Department of Medicine, Women’s College Hospital, Toronto, Canada
4. Cardiovascular Division, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
5. Department of Medicine, University of Minnesota, Minneapolis VA Health Care System, Minneapolis, Minnesota
6. Peter Munk Cardiac Centre, University Health Network, Toronto, Canada