1. Diabetic Clinic, 2nd Department of Pediatrics, National and Kapodistrian University of Athens, “P&A Kyriakou” Children’s Hospital, Athens, Greece
2. Cardiology Department, “P&A Kyriakou” Children’s Hospital, Athens, Greece
3. Cardiology Department, “Aghia Sophia” Children’s Hospital, Athens, Greece
4. University Research Institute of Maternal and Child Health and Precision Medicine, Athens, Greece