1. Department of Medical Imaging, St Michael’s Hospital, Unity Health Toronto, Toronto, Canada
2. Department of Thoracic Surgery, St Joseph’s Health Center, Unity Health Toronto, Toronto, Canada
3. Department of Medicine, Division of Respirology, St Michael’s Hospital and Li Ka Shing Knowledge Institute, University of Toronto, Toronto, Canada
4. Li Ka Shing Knowledge Institute, St Michael’s Hospital, Toronto, Canada
5. Toronto HHT Centre, St Michael’s Hospital, Toronto, Canada