1. Diabetes and Metabolism Clinic, 2nd Department of Paediatrics National and Kapodistrian University of Athens “P&A Kyriakou” Children's Hospital Athens Greece
2. Laboratory of Medical Genetics, Medical School National and Kapodistrian University of Athens, “Aghia Sophia” Children's Hospital Athens Greece
3. Department of Neurology “Aghia Sophia” Children's Hospital Athens Greece
4. Diabetes Center, Division of Endocrinology, Metabolism and Diabetes, First Department of Paediatrics National and Kapodistrian University of Athens, “Aghia Sophia” Children's Hospital Athens Greece