1. Lungs for Living Research Centre, University College London (UCL) Respiratory
2. Research Department of Behavioural Science and Health
3. Department of Radiology and
4. Department of Radiology, Royal Brompton Hospital, London, United Kingdom
5. Killick Street Health Centre, London, United Kingdom
6. UCL Centre for Inflammation and Repair, University College London, London, United Kingdom
7. Wolfson Institute of Preventive Medicine, Barts and The London School of Medicine and Dentistry, Queen Mary University, London, United Kingdom; and
8. Department of Thoracic Medicine, University College London Hospital, London, United Kingdom
9. Department of Thoracic Medicine, Homerton University Hospital, London, United Kingdom
10. Respiratory Medicine Unit, David Evans Research Centre, Nottingham University Hospitals, Nottingham, United Kingdom