1. Bureau of Cardio-Respiratory Diseases and Diabetes, Laboratory Centre for Disease Control, Health Canada, Ottawa, Ontario, Canada
2. Institute for Clinical Evaluative Studies, Toronto, Ontario, Canada
3. Canadian Nurses Respiratory Society, Gloucester, Ontario, Canada
4. Canadian Thoracic Society, Gloucester, Ontario, Canada
5. Canadian Paediatric Society, Ottawa, Ontario, Canada
6. Canadian Association of Emergency Physicians, Ottawa, Ontario, Canada
7. Canadian Society of Allergy and Clinical Immunology, Ottawa, Ontario, Canada