1. Department of Medicine, Queen's University, Kingston, ON, Canada
2. Division of Respirology, Queen's University, Kingston, ON, Canada
3. Kingston Health Sciences Center, Queen's University, Kingston, ON, Canada
4. Department of Medicine, Division of Medical Oncology, University of British Columbia, Vancouver, BC, Canada
5. Cancer Center of Southeastern Ontario, Queen's University, Kingston, ON, Canada
6. Department of Oncology, Queen's University, Kingston, ON, Canada