1. Second Department of Obstetrics and Gynecology, Aretaieion University Hospital, National and Kapodistrian University of Athens, 11527 Athens, Greece
2. Department of Pediatric-Adolescent Endocrinology and Diabetes, Athens Medical Center, 15125 Marousi, Greece
3. Department of Nutrition and Dietetics, University of Thessaly, 42132 Trikala, Greece
4. Unit of Endocrinology, Diabetes and Metabolism, Third Department of Pediatrics, Aristotle University of Thessaloniki, Hippokrateion Hospital of Thessaloniki, 54642 Thessaloniki, Greece
5. Pediatric Endocrinology Unit, Attikon University Hospital, National and Kapodistrian University of Athens, 12462 Haidari, Greece