1. Department of Medical Informatics and Clinical Epidemiology; Oregon Health & Science University; Portland OR USA
2. Ottawa Hospital Research Institute; Ottawa ON Canada
3. Bristol Heart Institute, Bristol Royal Infirmary; University of Bristol; Bristol UK
4. Community Information and Epidemiological Technologies; Institute of Population Health; Ottawa ON Canada
5. Faculty of Medicine and Health Sciences; University of East Anglia; Norwich UK
6. National Institute for Health and Clinical Excellence; London UK
7. School of Public Health; University of Washington; Seattle WA USA
8. Centre for Global Health, Institute of Population Health; Ottawa ON Canada