| Affiliation: | 1. Respiratory Division, Department of Medicine, University of British Columbia, Vancouver, BC;2. The Department of Medicine, University of Manitoba, Winnipeg, MB;3. Respiratory Epidemiology Unit, Joint Departments of Epidemiology and Biostatistics, McGill University, Montreal, QC;4. Department of Medicine, Dalhousie University, Halifax, NS, Canada;5. Oregon Health & Science University, Portland, OR, USA;6. Firestone Institute for Respiratory Health, St. Joseph’s Healthcare and McMaster University, Hamilton, ON;7. Department of Health and Social Services, Charlottetown, PE, Canada |
