1. Section of Endocrinology and Diabetology; Ospedale Israelitico; Rome Italy
2. Department of Nuclear Medicine and Thyroid Centre; Oncology Institute of Southern Switzerland; Bellinzona Switzerland
3. Section of Pathology; Ospedale Israelitico; Rome Italy
4. Department of Experimental Medicine; Sapienza University; Rome Italy
5. Department of Medical and Surgical Sciences; Ospedale S. Andrea; Sapienza University; Rome Italy
6. Nuclear Medicine Research Center; Mashhad University of Medical Sciences; Mashhad Iran
7. Section of Pathology; University Hospital Campus Bio Medico; Rome Italy
8. Department of Pathology; Massachusetts General Hospital; Boston MA USA
9. Institute of Pathology; University Hospital; Lausanne Switzerland