1. Hematology Laboratory‑Blood Bank, Aretaieion Hospital, National and Kapodistrian University of Athens, 11528 Athens, Greece
2. Blood Transfusion Department, ‘Agioi Anargyroi’ Hospital, 14564 Athens, Greece
3. 2nd Department of Pathology, National and Kapodistrian University of Athens, ‘Attikon’ University Hospital, 12462 Athens, Greece
4. Blood Transfusion Department, Laiko General Hospital, 11527 Athens, Greece
5. Department of Transfusion Service and Clinical Hemostasis, ‘Saint Savvas’ Oncology Hospital of Athens, 11522 Athens, Greece