1. Hematology Department, University Hospital of Heraklion, P.O. Box 1352, Stavrakia, 71110 Heraklion, Greece
2. Hematology Laboratory, University Hospital of Heraklion, Stavrakia, 71110 Heraklion, Greece
3. 3rd Department of Internal Medicine, Medical School of Athens, Sotiria Hospital, 11527 Athens, Greece
4. Pathology Department, University Hospital of Heraklion, Stavrakia, 71110 Heraklion, Greece
5. Hematology Department, Venizelion Hospital of Heraklion, 71409 Heraklion, Greece