1. Division of Respirology; McMaster University; Hamilton ON Canada
2. Institut Universitaire de Cardiologie et de Pneumologie de Québec; Québec QC Canada
3. Division of Pneumologie; University of Montreal; Montreal PQ Canada
4. Division of Respirology; University of Calgary; Calgary AB Canada
5. GlaxoSmithKline; Stevenage UK
6. Meakins-Christie Laboratories; McGill University; Montreal PQ Canada