1. Hematology; Department of Biomedicine and Prevention; Università di Roma ‘Tor Vergata’; Rome Italy
2. S. Eugenio Hospital; Rome Italy
3. Department of Statistical Sciences; Universita’ La Sapienza; Rome Italy
4. Department of Hematology; Università Cattolica del Sacro Cuore; Rome Italy
5. MDS Registry of Basilicata; IRCCS-CROB; Rionero in Vulture (Pz) Italy
6. Department of Hematology; Sant'Andrea Hospital; Rome Italy
7. Sandro Pertini Hospital; Rome Italy
8. Department of Hematology; Universita’ La Sapienza; Rome Italy
9. MDS Registry of Basilicata; S. Carlo Hospital; Potenza Italy
10. MDS Registry of Basilicata; Ospedale Madonna della Grazie; Matera Italy
11. Hospital San Giovanni Addolorata; Rome Italy