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. Department of Experimental Medicine; Sapienza University; Rome Italy
4. Section of Pathology; University Hospital Campus Bio Medico; Rome Italy
5. Institute of Pathology; University Hospital; Lausanne Switzerland