[1] Univ Chicago, Med Ctr, Chicago, IL 60637 USA
[2] Univ Klinikum Jena, Klin Innere Med 2, Jena, Germany
[3] Univ Turin, Div Internal Med & Hematol, Orbassano, Italy
[4] Univ Bologna, Dept Hematol Oncol, Bologna, Italy
[5] Banco Municipal Sangre, Dpt Clin Hematol, Caracas, Venezuela
[6] Karolinska Univ Hosp, Div Hematol, Stockholm, Sweden
[7] Karolinska Inst, Stockholm, Sweden
[8] Osaka City Univ, Grad Sch Med, Osaka 558, Japan
[9] Hackensack Univ, Med Ctr, John Theurer Canc Ctr, Div Leukemia, Hackensack, NJ USA
[10] Chang Gung Mem Hosp, Kaohsiung Med Ctr, Dept Internal Med, Kaohsiung, Taiwan
[11] Novartis Pharma AG, Oncol, Basel, Switzerland
[12] Royal Adelaide Hosp, Dept Haematol SA Pathol, Adelaide, SA 5000, Australia
[13] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA