1 Department of Respiratory Sciences, University of Leicester, Leicester LE1 7RH, UK; Department of Infection and HIV Medicine, University Hospitals of Leicester NHS Trust, Leicester, UK; NIHR Leicester Biomedical Research Centre, Leicester, UK.
2 NIHR Applied Research Collaboration East Midlands, Leicester, UK.
3 Department of Respiratory Sciences, University of Leicester, Leicester LE1 7RH, UK.
4 University College London Medical School, London, UK; Biostatistics Research Group, Department of Health Sciences, University of Leicester, Leicester, UK.
5 Department of Respiratory Sciences, University of Leicester, Leicester LE1 7RH, UK; Department of Infection and HIV Medicine, University Hospitals of Leicester NHS Trust, Leicester, UK; NIHR Leicester Biomedical Research Centre, Leicester, UK; Li Ka Shing Centre for Health Information and Discovery, Oxford Big Data Institute, University of Oxford, Oxford, UK.
6 General Medical Council, London, UK.
7 Diabetes Research Centre, University of Leicester, Leicester LE1 7RH, UK; NIHR Applied Research Collaboration East Midlands, Leicester, UK.
8 Nottingham Centre for Public Health and Epidemiology, Lifespan and Population Health, School of Medicine, University of Nottingham, Nottingham, UK.
9 University College London Medical School, London, UK.
10 Department of Respiratory Sciences, University of Leicester, Leicester LE1 7RH, UK; Department of Infection and HIV Medicine, University Hospitals of Leicester NHS Trust, Leicester, UK; NIHR Leicester Biomedical Research Centre, Leicester, UK; NIHR Applied Research Collaboration East Midlands, Leicester, UK. Electronic address: [email protected].