AD Arnold (Presenting Author) – National Heart & Lung Institute, Imperial College London, London, UK; MJ Shun-Shin – National Heart and Lung Institute, Imperial College London, London, UK; D Keene – National Heart and Lung Institute, Imperial College London, London, UK; JP Howard – National Heart and Lung Institute, Imperial College London, London, UK; JJ Chow – National Heart and Lung Institute, Imperial College London, London, UK; SMA Sohaib – St Bartholomew’s Hospital, Barts HBarts Health NHS Trust, London, UK; IJ Wright – National Heart and Lung Institute, Imperial College London, London, UK; GD Cole – National Heart and Lung Institute, Imperial College London, London, UK; A Miyazawa – National Heart and Lung Institute, Imperial College London, London, UK; A Muthumala – St Bartholomew’s Hospital, Barts HBarts Health NHS Trust, London, UK; M Tanner – National Heart and Lung Institute, Imperial College London, London, UK; DP Francis – National Heart and Lung Institute, Imperial College London, London, UK; ZI Whinnett – National Heart and Lung Institute, Imperial College London, London, UK