1. Department of Epidemiology and Public-Health, Royal Free and University College London Medical School, London, U.K
2. International Centre for Circulatory Health and Department of Epidemiology and Public-Health, Imperial College London, London, U.K
3. Diabetes Research Institute, Heinrich-Heine University, Dusseldorf, Germany
4. Cork Regional Hospital, Cork, Ireland
5. Dipartimento di Medicina Interna e Scienze, Endocrine e Metaboliche, Perugia, Italy
6. Centre Hospitalier, Luxembourg, Luxemburg
7. General Hospital of Thessaloniki, Thessaloniki, Greece