1. Lung Unit, Royal Marsden Hospital, London, United Kingdom
2. The Institute of Cancer Research, University of London, London, United Kingdom
3. Lungs for Living Research Centre, University College London (UCL) Respiratory, UCL and Department of Thoracic Medicine, University College London Hospitals NHS Foundation Trust, London, United Kingdom
4. Department of Pathology, Aberdeen University Medical School and Aberdeen Royal Infirmary, Aberdeen, United Kingdom
5. Department of Pulmonary Diseases, VU University Medical Center and Department of Thoracic Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
6. Department of Thoracic Surgery, University Hospitals Bristol and Weston National Health Service Foundation Trust, Bristol, United Kingdom
7. Department of Thoracic and Vascular Surgery, Antwerp University Hospital and Antwerp University, Antwerp, Belgium
8. Department of Radiation Oncology, Amsterdam University Medical Center, Free University Amsterdam, Cancer Center Amsterdam, Amsterdam, The Netherlands