1. Department of Endocrinology & Diabetology, District n°63, Azienda Sanitaria Locale, Salerno, Italy.
2. Diabetologic Unit, S. Pertini Hospital, Rome, Italy.
3. Department of Endocrinology and Metabolic Diseases, Santi Antonio e Biagio Hospital, Alessandria, Italy.
4. Department of Obstetrics and Gynecology, Santi Antonio e Biagio Hospital, Alessandria, Italy.
5. Department of Clinical and Molecular Medicine, Faculty of Medicine and Psychology, Sapienza University, Rome, Italy.