1. Hematology Section, Department of Life, Health and Environmental Sciences; University of L'Aquila; L'Aquila Italy
2. Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia; Perugia Italy
3. Biosciences and Medical Embryology Section, Department of Experimental Medicine; University of Perugia; Perugia Italy
4. Department of Pediatric Oncology; Dana-Farber Cancer Institute and Boston Children's Hospital, Harvard Medical School; Boston MA
5. Hematology and BMT Unit, Department of Medicine and Surgery; University of Parma; Parma Italy
6. Department of Medicine and Aging Sciences; University of Chieti Pescara; Chieti Italy
7. Department of Hematology; Transfusion Medicine and Biotechnologies, Ospedale Civile; Pescara Italy