1 Diabetes Trials Unit, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 7LJ, UK; Oxford Biomedical Research Centre, Oxford, UK.
2 Health Economics Research Centre, University of Oxford, Oxford, UK; Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK; Usher Institute of Population Health Sciences and Informatics, University of Edinburgh, Edinburgh, UK; British Heart Foundation Data Science Centre, Health Data Research UK, London, UK.
3 Diabetes Trials Unit, Radcliffe Department of Medicine, University of Oxford, Oxford OX3 7LJ, UK. Electronic address: [email protected].