1. Department of Medicine, New York University School of Medicine, VA Hospital, 423 East 23rd Street, Dept of Medicine −11093 South, New York, NY 10010, US.
2. Pfizer Inc, 235 East 42nd Street, New York, NY 10017, US.
3. Division of Medicine & Therapeutics, Level 7, Ninewells Hospital & Medical School, Dundee, DD1 9SY, UK.
4. Department of Medicine, Royal Free and University College Medical School, Jules Thorn Institute, Middlesex Hospital, Mortimer St, London, W1N 8AA, UK.
5. Cardiovascular Research Group, University of Manchester, 46 Grafton Street, Manchester, M13 9NT, UK.
6. Centre for Diabetes and Metabolic Medicine, Queen Mary's School of Medicine, University of London, London, E1 1BB, UK.
7. Division of Public Health and Primary Health Care, University of Oxford, Old Road Campus, Headington, Oxford, OX3 7LF, UK.
8. Department of Epidemiology & Public Health, University College, 1–19 Torrington Place, London, WC1E 6BT, UK.