1Institute of Translational Genomics, Helmholtz Zentrum München – German Research Center for Environmental Health, Neuherberg, Germany
2Wellcome Sanger Institute, Wellcome Genome Campus, Hinxton CB10 1SA, UK
7Wellcome Centre for Human Genetics, Nuffield Department of Medicine, University of Oxford, Oxford, UK
8Oxford Centre for Diabetes, Endocrinology and Metabolism, Radcliffe Department of Medicine, University of Oxford, Oxford, UK