1. Department of Histopathology, St Vincent's University Hospital, Elm Park, Dublin, Ireland
2. Department of Histopathology, Mater Private Hospital, Eccles Street, Dublin 7, Ireland
3. Department of Radiology, St Vincent's University Hospital, Elm Park, Dublin, Ireland
4. Department of Cardio-Thoracic Surgery, St Vincent's University Hospital, Elm Park, Dublin, Ireland
5. Department of Respiratory Medicine, St Vincent's University Hospital and University College Dublin School of Medicine, Dublin, 4, Ireland
6. National Lung Transplant Programme, Mater Misericordiae University Hospital, Dublin, Ireland
7. Service de pneumologie B et de transplantations pulmonaires, Hôpital Bichat, Assistance Publique Hôpitaux de Paris, Université Denis Diderot, Paris, France