1. Endocrinology Unit, 1st Department of Propaedeutic and Internal Medicine, Medical School National and Kapodistrian University of Athens Athens Greece
2. Department of Medical Research 251 Hellenic Air Force & VA General Hospital Athens Greece
3. Interbalkan Medical Center Thessaloniki Greece
4. Faculty of Medicine Aristotle University of Thessaloniki Thessaloniki Greece
5. Pathology Department, Faculty of Medicine Aristotle University of Thessaloniki Greece
6. Department of Endocrinology 424 General Military Hospital Thessaloniki Greece
7. Laboratory of Forensic Medicine and Toxicology, Medical School National and Kapodistrian University of Athens Athens Greece
8. Department of Endocrine Surgery Henry Dunant Hospital Center Athens Greece