1Health Data Research UK, Wellcome Trust, Gibbs Building, 215 Euston Road, London, NW1 2BE UK
2Nuffield Department of Primary Care Health Sciences, University of Oxford, Gibson Building 1St Floor, Radcliffe Observatory Quarter, Woodstock Road, Oxford, OX2 6GG UK
3NHS DigiTrials, Skipton House, 80 London Rd, Elephant and Castle, London, UK
4NHS Digital, Skipton House, 80 London Rd, Elephant and Castle, London, SE1 6LH UK
5DHSC, Department for Health and Social Care, 39 Victoria St, Westminster, London, SW1H 0EU UK
6HDR UK Oxford, Big Data Institute, Nuffield Department of Population Health, University of Oxford, Oxford, OX3 7LF UK
7Department of Clinical Neuroscience & Medical Research Council Mitochondrial Biology Unit, School of Clinical Medicine, University of Cambridge, Cambridge, CB2 0QQ UK
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