1. Department of Infectious Diseases, St Vincent’s University Hospital, Dublin 4, Ireland
2. Department of Radiology, St. Vincent’s University Hospital, Dublin 4, Ireland
3. Department of Respiratory Medicine, St. Vincent’s University Hospital, Dublin 4, Ireland and School of Medicine, University College Dublin, Dublin 4, Ireland
4. Department of Radiology, St. Vincent’s University Hospital, Dublin 4, Ireland and School of Medicine, University College Dublin, Dublin 4, Ireland
5. School of Medicine, University College Dublin, Dublin 4, Ireland and Department of Histopathology, St Vincent’s University Hospital, Dublin 4, Ireland
6. Department of Infectious Diseases, St Vincent’s University Hospital, Dublin 4, Ireland