[1] Osped Niguarda Ca Granda, Dept Hematol, Milan, Italy
[2] Santa Maria delle Croci Hosp, Dept Hematol, Ravenna, Italy
[3] Univ Parma, Dept Internal Med & Biol Sci, Hematol & BMT Unit, I-43100 Parma, Italy
[4] San Martino Hosp, Dept Hematol, Genoa, Italy
[5] Hosp Cremona, Div Haematol, Cremona, Italy
[6] Santa Maria Nuova Hosp, Hematol Unit, Reggio Emilia, Italy
[7] San Paolo Univ Hosp, Oncul Unit, Milan, Italy
[8] San Carlo Hosp, Dept Hematol, Potenza, Italy
[9] Santa Maria Goretti Hosp, Hematol Unit, Latina, Italy
[10] Gen Hosp, Oncol & Hematol Unit, Nocera Inferiore, Italy