Affiliations

• ¹ University College London (UCL) Respiratory, UCL, London, UK; Department of Respiratory Care, Prince Sultan Military College of Health Sciences, Dammam, Saudi Arabia.
• ² University College London (UCL) Respiratory, UCL, London, UK.
• ³ Nuffield Department of Medicine, University of Oxford, Oxford, UK.
• ⁴ National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre (BRC) respiratory theme, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, UK.
• ⁵ Patient Representative, Shepton Mallet, UK.
• ⁶ Park Medical Partnership, Shepton Mallet, UK; Frimley Health NHS Foundation Trust, Windsor, UK.
• ⁷ Frimley Health NHS Foundation Trust, Windsor, UK.
• ⁸ National Heart and Lung Institute, Imperial College London, London, UK.
• ⁹ Central and North West London NHS Foundation Trust, London, UK.
• ¹⁰ Institute of Inflammation and Ageing, University of Birmingham, Birmingham, UK.
• ¹¹ James Lind Alliance, National Institute for Health Research Evaluation, Trials and Studies Coordinating Centre, Southampton, UK.
• ¹² NIHR Southampton BRC, Southampton, UK.
• ¹³ University College London (UCL) Respiratory, UCL, London, UK. Electronic address: j.hurst@ucl.ac.uk.