1. Transfusion Medicine Department; Ospedale Niguarda Ca' Granda; Milan Italy
2. Hematology Department; Ospedale Bianchi Melacrino Morelli; Reggio Calabria Italy
3. Hematology Department; Ospedale Niguarda Ca' Granda; Milan Italy
4. Oncology and Hematology Department; Ospedale Valduce; Como Italy