1. The Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ontario, Canada;
2. Division of Pulmonary Medicine, Sir Mortimer B. Davis Jewish General Hospital, Montreal, Quebec, Canada;
3. Desautels Faculty of Management, McGill University, Montreal, Quebec, Canada;
4. Department of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada;
5. Centre de recherche, Hôpital Laval, Université Laval, Quebec, Quebec, Canada;
6. Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada;
7. Department de Pulmonologie, Universite de Montreal, Montreal, Quebec, Canada; and
8. Firestone Institute for Respiratory Health, McMaster University, Hamilton, Ontario, Canada