1. Endocrine Unit, First Department of Pediatrics, Athens University School of Medicine, Athens, Greece.
2. Department of Endocrinology and Metabolism, Evgenidion Hospital, Athens University School of Medicine, Athens, Greece.
3. First Department of Radiology, Athens University School of Medicine, Athens, Greece.
4. Institute of Child Health, “Aghia Sophia” Children's Hospital, Athens, Greece.