1. Department of Haematology and Bone Marrow Transplantation National and Kapodistrian University of Athens, Laikon General Hospital Athens Greece
2. Second Propaedeutic Department of Internal Medicine and Research Institute, Hematology Unit National and Kapodistrian University of Athens, Attikon General Hospital Athens Greece
3. First Department of Pathology National and Kapodistrian University of Athens, Laikon General Hospital Athens Greece
4. Haematology Unit, “Achillopoulion” Hospital Volos Greece