1 Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK.
2 Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK; Department of Pathology, University College London Hospitals NHS Foundation Trust, London, UK.
3 Cancer Research UK Lung Cancer Centre of Excellence, University College London Cancer Institute, London, UK; Department of Medical Oncology, University College London Hospitals NHS Foundation Trust, London, UK. Electronic address: m.jamal-hanjani@ucl.ac.uk.