Imperial College London - National Heart and Lung Institute, Imperial College London - National Heart and Lung Institute, Golden Jubilee National Hospital - Department of Thoracic Surgery, Golden Jubilee National Hospital - Department of Thoracic Surgery, Golden Jubilee National Hospital - Department of Thoracic Surgery, University of Leicester - Institute for Lung Health, Northern General Hospital, Royal Brompton Hospital - Department of Thoracic Surgery, affiliation not provided to SSRN, Golden Jubilee National Hospital - Department of Thoracic Surgery, University of Leicester - Institute for Lung Health, Government of the United Kingdom - St Bartholomew's Hospital, Northern General Hospital, Brunel University London - Department of Health Sciences, King’s College London, University of Leicester - Institute for Lung Health, University of Leicester - Institute for Lung Health, Northern General Hospital, Government of the United Kingdom - St Bartholomew's Hospital, Imperial College London - National Heart and Lung Institute, Imperial College London - National Heart and Lung Institute and Independent

Government of the United Kingdom - Royal Brompton Hospital, Government of the United Kingdom - St Bartholomew's Hospital, Government of the United Kingdom - St Bartholomew's Hospital, Government of the United Kingdom - St Bartholomew's Hospital, The Clatterbridge Cancer Centre, University of Glasgow - Beatson West of Scotland Cancer Centre, Golden Jubilee National Hospital - Department of Thoracic Surgery, University Hospitals of Derby and Burton NHS Foundation Trust, Royal Marsden NHS Foundation Trust - Lung Unit, The Royal Marsden Hospital and the Institute of Cancer Research, The Royal Marsden Hospital and the Institute of Cancer Research, Government of the United Kingdom - North Bristol NHS Trust, Government of the United Kingdom - North Bristol NHS Trust, University of Leicester - Cancer Research Centre, University Hospitals of Leicester NHS Trust, Government of the United Kingdom - Sheffield Teaching Hospitals, Northern General Hospital, Sheffield Teaching Hospitals NHS Foundation Trust, Royal Papworth Hospital - Papworth Trials Unit Collaboration, NHS Foundation Trust - Royal Papworth Hospital, NHS Foundation Trust - Royal Papworth Hospital, NHS Foundation Trust - East Sussex and North Essex, NHS Foundation Trust - East Sussex and North Essex, The University of Manchester - Manchester University NHS Foundation Trust, The University of Manchester - Manchester University NHS Foundation Trust, Manchester Academic Health Sciences Centre - The Christie NHS Foundation Trust, The University of Manchester - Manchester University NHS Foundation Trust, NHS Foundation Trust - Norfolk and Norwich University Hospital, Guy's and St Thomas' NHS Foundation Trust - Department of Thoracic Surgery, Maidstone and Tunbridge Wells NHS Trust, South Tyneside and Sunderland NHS Foundation Trust, South Tyneside and Sunderland NHS Foundation Trust, Barking, Havering and Redbridge University Hospitals NHS Trust, South Tees Hospitals NHS Foundation Trust, Leeds Teaching Hospitals NHS Trust, Government of the United Kingdom - Royal Wolverhampton NHS Trust, Royal Gwent Hospital, North West Anglia NHS Foundation Trust, University Hospitals Plymouth NHS Trust, University of Birmingham, Golden Jubilee National Hospital - Department of Thoracic Surgery, University of Bristol, University of Bristol, University of Bristol, University of Bristol, University of Bristol, University of Bristol, University of Bristol, University of Bristol, University of Oxford - Health Economics Research Centre, Royal Papworth Hospital - Papworth Trials Unit Collaboration, Government of the United Kingdom - Royal Brompton and Harefield NHS Foundation Trust, University of Bristol and Independent