1. Hematology and Stem Cell Transplant Center, Marche Nord Hospital, Pesaro, Italy
2. Hematology, Ca’Foncello Hospital, Treviso, Italy
3. Department of Biotechnologies and Hematology, Sapienza University, Rome, Italy
4. Hematology, Ascoli Piceno, Italy
5. Division of Hematology, University of Bari Medical School, Bari, Italy
6. Hematology, San Martino Hospital, Genova, Italy
7. Department of Oncology and Hematology, Istituto Clinico Humanitas, Rozzano, Milano, Italy
8. Division of Hematology and Stem Cell Transplantation Unit, Cardarelli Hospital, Naples, Italy
9. Institute of Biomathematics, Urbino University, Urbino, Italy
10. Department of Hematology, University Hospital and Cancer Research Center, University of Salamanca, Salamanca, Spain