1. Department of Endocrine Surgery, Henry Dunant Hospital Center, Athens, Greece.
2. Department of Cardiology, Central Clinic of Athens, Athens, Greece.
3. Department of Endocrinology, Central Clinic of Athens, Athens, Greece.
4. Department of Radiology, Aretaieion Hospital, University of Athens, Athens, Greece.
5. Division of Endocrine and Minimally Invasive Surgery, Department of Human Pathology in Adulthood and Childhood, University Hospital G.Martino, Messina, Italy.