1. Department of Clinical Medicine, Trinity College Dublin, Ireland
2. Department of Clinical Microbiology, Trinity College Dublin, Ireland
3. Department of Microbiology, St. James’s Hospital, Dublin 8, Ireland
4. Department of Radiology, St. James’s Hospital, Dublin 8, Ireland
5. Department of Intensive Care Medicine, St. James’s Hospital, Dublin 8, Ireland
6. Department of Respiratory Medicine, St. James’s Hospital, Dublin 8, Ireland