1. Health Statistics Group, University of Exeter Medical School, Exeter, U.K.
2. Institute of Biomedical & Clinical Science, University of Exeter Medical School, Exeter, U.K.
3. Division of Molecular & Clinical Medicine, Ninewells Hospital, Dundee, U.K.
4. National Institute for Health Research Exeter Clinical Research Facility, University of Exeter Medical School, Exeter, U.K.
5. Royal Devon and Exeter National Health Service Foundation Trust, Exeter, U.K.
6. Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, U.K.
7. GlaxoSmithKline, Heathrow, London, U.K.
8. Diabetes Trials Unit, Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford, U.K.
9. National Institute for Health Research Oxford Biomedical Research Centre, Churchill Hospital, Oxford, U.K.