1. Naomi E. Allen is Senior Epidemiologist for UK Biobank and Associate Professor, Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford OX3 7LF, UK.
2. Cathie Sudlow is Chief Scientist for UK Biobank and Professor of Neurology and Clinical Epidemiology, University of Edinburgh, Edinburgh EH4 2XU, UK.
3. Tim Peakman is Deputy CEO for UK Biobank, UK Biobank Co-ordinating Centre, Cheadle, Stockport SK3 0SA, UK.
4. Rory Collins is Principal Investigator and Chief Executive of UK Biobank, and Co-Director of the Clinical Trial Service Unit and Epidemiological Studies Unit and Head of the Nuffield Department of Population Health, University of Oxford, Oxford OX3 7LF, UK.