1. Foundation Year 2 Doctor, Department of Respiratory Medicine, St Bartholomew's Hospital, London EC1A 7BE
2. Medical Student, Queen Mary University London, London
3. Foundation Year 2 Doctor, Department of Acute Medicine, Royal London Hospital, London
4. Consultant Chest Physician, Department of Respiratory Medicine, St Bartholomew's Hospital, London and Honorary Senior Lecturer, Department of Health Sciences Education, Queen Mary University London, London