1. Department of Medicine, University of Ottawa, Ottawa, Ontario, Canada
2. Department of Respirology, University of Ottawa, Ottawa, Ontario, Canada
3. Department of Radiology, Division of Thoracic Radiology, University of Ottawa, Ottawa, Ontario, Canada
4. Department of Respirology, Interventional Pulmonology Ottawa ON, University of Ottawa, Ottawa, Ontario, Canada
5. The Ottawa Hospital, Ottawa, Ontario, Canada
6. Department of Radiology, Division of Vascular and Interventional Radiology, University of Ottawa, Ottawa, Ontario, Canada