1. Diabetology Careggi Hospital and University of Florence Firenze Italy
2. Endocrinology and Metabolic Diseases Unit, AO SS. Antonio e Biagio e Cesare Arrigo Alessandria Italy
3. Centro per le Malattie Endocrine e Metaboliche Fondazione Policlinico Universitario A. Gemelli UCSC and Università cattolica del Sacro Cuore Rome Italy
4. Diabetes Center Azienda Sanitaria Unversitaria Giuliano Isontina Trieste Italy
5. Diabetes Center ASST Niguarda Hospital Milan Italy
6. Section of Endocrinology, Diabetes and Metabolism, Department of Medicine University of Verona Verona Italy