1. Department of Medical Genetics, Cambridge Institute for Medical Research, Juvenile Diabetes Research Foundation/Wellcome Trust Diabetes and Inflammation Laboratory, NIHR Cambridge Biomedical Research Centre, University of Cambridge, Addenbrooke's Hospital, Cambridge,
2. Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Churchill Hospital, Oxford,
3. School of Clinical and Experimental Medicine, Institute of Biomedical Research, University of Birmingham, Birmingham, and
4. NIHR Oxford Biomedical Research Centre, Churchill Hospital, Oxford, UK