1. Bone Marrow Transplant Center, R. Binaghi Hospital, Cagliari, Italy;
2. Hematology Unit, Department of Medical Sciences “Mario Aresu,” University of Cagliari, Italy;
3. Health Outcomes Research Unit, Italian Group for Adult Hematologic Diseases Data Center, Rome, Italy;
4. Department of Clinic and Biology of Developmental Age, Second Institute of Pediatrics, Regional Hospital for Microcytemia, Cagliari, Italy;
5. Regional Transplant Center, R. Binaghi Hospital, Cagliari, Italy;
6. Medical Genetics, Department of Medical Sciences “Mario Aresu,” University of Cagliari, Italy; and
7. Istituto Mediterraneo di Ematologia Foundation, Mediterranean Institute of Hematology, University of Tor Vergata, Rome, Italy