1. Section of Endocrinology and Diabetology, Ospedale Israelitico, Rome, Italy
2. Section of Surgery, Ospedale Israelitico, Rome, Italy
3. Department of Medical and Surgical Science, Sapienza University, Ospedale S. Andrea, Rome, Italy
4. Department of Experimental Medicine, Sapienza University, Rome, Italy
5. Section of Pathology, Ospedale Israelitico, Rome, Italy