1. UOSD of Endocrinology, Misericordia Hospital, Grosseto 58100, Italy
2. UOS Molecular Pathology, Hospital Misericordia, Grosseto 58100, Italy
3. Department of Surgical, Medical and Molecular Pathology, University Hospital of Pisa, Pisa 56124, Italy
4. Department of Medical, Surgical and Neurological Sciences, University of Siena, Siena 53100, Italy
5. Department of Public Health, University of Naples Federico II, Naples, Italy
6. Division of Endocrine Surgery, Department of Surgical Pathology, University Hospital of Pisa, Pisa 56124, Italy