1. Division of Pediatric Hematology-Oncology, First Department of Pediatrics, National and Kapodistrian University of Athens, “Aghia Sophia” Children’s Hospital, Athens, Greece
2. Department of Pathology, “Aghia Sophia” Children’s Hospital, Athens, Greece
3. Department of Laboratory Hematology, “G.Gennimatas” Athens General Hospital, Athens, Greece
4. Department of Hematology, Alexandroupolis University Hospital, Democritus University of Thrace, Alexandroupolis, Greece
5. Department of Biology, School of Science, National & Kapodistrian University of Athens, Athens, Greece
6. Second Department of Paediatrics, School of Medicine, “P. & A. Kyriakou” Children’s Hospital, National and Kapodistrian University of Athens (NKUA)
7. Department Of Paediatric Haematology-Oncology, “Aghia Sophia” Children’s Hospital Αthens, Greece
8. Department of Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece