1. The Ottawa Hospital Research Institute Ottawa Ontario Canada
2. Department of Medicine University of Ottawa Ottawa Ontario Canada
3. ICES Ontario Canada
4. Department of Social and Behavioral Sciences Yale School of Public Health New Haven Connecticut USA
5. Respiratory Evaluation Sciences Program, Faculty of Pharmaceutical Sciences The University of British Columbia Vancouver British Columbia Canada
6. Department of Medicine, Cumming School of Medicine University of Calgary Calgary Alberta Canada
7. Sunnybrook Research Institute Sunnybrook Health Sciences Centre Toronto Ontario Canada
8. Institute of Health Policy, Management and Evaluation University of Toronto Ontario Canada
9. Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada
10. Research Institute The Hospital of Sick Children Toronto Ontario Canada
11. Bruyère Research Institute Ottawa Ontario Canada
12. Department of Family Medicine University of Ottawa Ottawa Ontario Canada
13. School of Epidemiology and Public Health, Faculty of Medicine University of Ottawa Ontario Canada
14. School of Psychology University of Ottawa Ottawa Ontario Canada