1. Center for the Prevention and Management of Overweight and Obesity, Division of Clinical and Translational Research in Endocrinology, First Department of Pediatrics, National and Kapodistrian University of Athens Medical School, ‘Aghia Sophia’ Children’s Hospital, 11527 Athens, Greece
2. Division of Endocrinology and Metabolism, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece
3. Flow Cytometry Unit, Section of Animal and Human Physiology, Department of Biology, National and Kapodistrian University of Athens, 15784 Athens, Greece
4. Department of Pediatric Cardiology, ‘Aghia Sophia’ Children’s Hospital, 11527 Athens, Greece
5. Center for Adolescent Medicine in Adolescent Health Care, First Department of Pediatrics, National and Kapodistrian University of Athens Medical School, ‘Aghia Sophia’ Children’s Hospital, 11527 Athens, Greece
6. Division of Endocrinology, Diabetes Mellitus and Metabolism, Second Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens Medical School, ‘Aretaieion’ University Hospital, 11527 Athens, Greece