[1] Univ Bologna, S Orsola Malpighi Hosp, Inst Hematol & Med Oncol L & A Seragnoli, Via Massarenti 9, I-40138 Bologna, Italy
[2] Univ Brescia, Dept Hematol, Brescia, Italy
[3] Univ Udine, Dept Hematol, Udine, Italy
[4] Univ Torino, Dept Hematol, Orbassano, Turin, Italy
[5] Univ Siena, Dept Hematol, Siena, Italy
[6] Dept Hematol, Pesaro, Italy
[7] Novartis Pharmaceut, Origgio, Italy