1 Department of Medicine Surgery and Neuroscience, Hematology, University of Siena, Italy
2 Department of Hematology, Careggi Hospital and University of Florence, Italy
3 Department of Clinical and Experimental Medicine, Hematology, University of Pisa, Italy
4 Hematology Unit,Ospedale S. Donato, Arezzo, Italy
5 USL Toscana Centro, SOC Oncoematologia, Italy
6 Hematology Ospedale della Versilia, Lucca, Italy
7 Hematology Massa Carrara, Italy