Giovanni D'Arena1, Pellegrino Musto2. 1. Hematology and Stem Cell Transplantation Unit, IRCCS, Cancer Referral Center of Basilicata, 85028 Rionero in Vulture, Pz Italy. 2. Scientific Direction, IRCCS, Cancer Referral Center of Basilicata, Rionero in Vulture, Italy.