Barts Health NHS Trust, London, United Kingdom;
St George's University of London, SW170RE, United Kingdom;
University of Liverpool School of Medicine, L35PS, United Kingdom;
University of Liverpool School of Medicine, L35PS, United Kingdom;
University of Exeter medical school, EX44QJ, United Kingdom;
Faculty of Medicine, University of Southampton, SO171BJ, United Kingdom;
Medical Sciences Division, University of Oxford, OX13PA, United Kingdom;
Medical Sciences Division, University of Oxford, OX13PA, United Kingdom;
Medical Sciences Division, University of Oxford, OX13PA, United Kingdom;
University of Edinburgh Medical School, EH89YL, United Kingdom;
University of Edinburgh Medical School, EH89YL, United Kingdom;
Barts & the London Medical School, Queen Mary University of London, E12AT, United Kingdom;
Faculty of Medicine, University of Warwick, CV47AL, United Kingdom;
Faculty of Medicine, University of Warwick, CV47AL, United Kingdom;
University College London Medical School, WC1E 6BT, United Kingdom;
Cardiff University School of Medicine, CF103XQ, United Kingdom;
Cardiff University School of Medicine, CF103XQ, United Kingdom;
College of Medical and Dental Sciences, University of Birmingham, B152TT, United Kingdom;
College of Medical, Veterinary and Life Sciences, University of Glasgow, G128QQ, United Kingdom;
Guys, Kings, and St Thomas School of Medicine, King's College London, WC2R 2LS, United Kingdom;
Faculty of Life Sciences & Medicine, King's College London, WC2R 2LS, United Kingdom;
Faculty of Health Sciences at the University of Nottingham, NG72RD, United Kingdom;
Norwich Medical School, University of East Anglia, NR47TJ, United Kingdom;
Lancaster Medical School, Lancaster University, LA14YW, United Kingdom;
School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, BT71NN, United Kingdom;
Faculty of Medicine, University of St Andrews, KY169AJ, United Kingdom;
Faculty of Medicine, Dentistry and Health, University of Sheffield, S102TN, United Kingdom;
Faculty of Medicine, Dentistry and Health, University of Sheffield, S102TN, United Kingdom;
Brighton and Sussex University Hospitals NHS Trust, BN25BE, United Kingdom;