1. Department of Biomendicina e Prevenzione of Tor Vergata University; Hematology Stem Cell Transplant Unit; Rome Italy
2. Italian Bone MarrowDonorRegistry; Ospedale Galliera; Genoa Italy
3. Department of Hematology; Regina Elena National Cancer Institute; Rome Italy
4. Department of Hematology; S. Eugenio Hospital; Rome Italy
5. Department of Hematology; Campus BioMedico University; Rome Italy
6. Department of Hematology; S. Giovanni Addolorata Hospital; Rome Italy
7. Department of Hematology; S. Andrea Hospital, La Sapienza University; Rome Italy
8. IME Foundation at Poyiclinic of Tor Vergata; Rome Italy
9. Institute of Hematology "Seràgnoli, University Hospital S. Orsola-Malpighi; Bologna Italy