1. Department of Clinical Pharmacology and Epidemiology, Consorzio Mario Negri Sud, S. Maria Imbaro, CH, Italy
2. Emergency Department, University Hospital S. Martino, Genova, Italy
3. Department of Internal Medicine, A.O. Parma, Italy
4. Department of Internal Medicine, Policlinico Universitario, Messina, Italy
5. GlaxoSmithKline S.p.A., Verona, Italy
6. Diabetes Unit, Spedali Civili, Brescia, Italy
7. Diabetes Unit, Ospedale Madonna del Soccorso, San Benedetto del Tronto, AP, Italy