1. University of British ColumbiaVancouver, British Columbia, Canada
2. McGill University Montreal Chest ClinicMontreal, Quebec, Canada
3. Ottawa Hospital Research InstituteOttawa, Ontario, Canada
4. University of LavalQuebec City, Quebec, Canada
5. Dalhousie UniversityHalifax, Nova Scotia, Canada
6. Institute of Heart and Lung HealthVancouver, British Columbia, Canada
7. University of SaskatchewanSaskatoon, Saskatchewan, Canadaand
8. University of CalgaryCalgary, Alberta, Canada