[1] Nottingham Univ Hosp NHS Trust, Dept Clin Haematol, Nottingham, England
[2] Univ Modena & Reggio Emilia, CHIMOMO Dept, Modena, Italy
[3] Sungkyunkwan Univ, Dept Pathol, Seoul, South Korea
[4] Ist Europeo Oncol, Div Haematopathol, Milan, Italy
[5] Samsung Med Ctr, Div Hematol Oncol, Seoul 06351, South Korea
[6] Univ Chile, Hosp Salvador, Secc Hematol, Santiago, Chile
[7] Univ Washington, Fred Hutchinson Canc Res Ctr, Med Ctr, Div Hematol, Seattle, WA 98195 USA
[8] Fac Ciencias Med Santa Casa Sao Paulo, Dept Clin Med, Sao Paulo, Brazil
[9] Hosp Samaritano, Ctr Linfomas, Nucleo Oncol, Sao Paulo, Brazil
[10] Mem Sloan Kettering Canc Ctr, Dept Med, 1275 York Ave, New York, NY 10021 USA
[11] Hosp Clin Barcelona, Hematol Dept, Barcelona, Spain
[12] Aviano Natl Canc Inst, Div Med Oncol A, Aviano, Italy
[13] Cantonal Hosp, Dept Oncol Haematol, Swiss Grp Clin Canc Res, St Gallen, Switzerland
[14] Barts Hlth NHS Trust, Dept Haematol, London, England
[15] Tel Aviv Univ, Dept Bone Marrow Transplantat, Tel Aviv, Israel
[16] Inst Anat Patol, Santiago, Chile
[17] Univ Estadual Campinas, Dept Clin Med, Campinas, Brazil
[18] Hosp Cabuenes, Dept Hematol, Asturias, Spain
[19] Natl Oncol & Hematol Inst, Dept Internal Med, Bratislava, Slovakia
[20] Hosp Maciel, Hematol & Bone Marrow Transplantat Serv, Montevideo, Uruguay
[21] Columbia Univ Coll Phys & Surg, Dept Pathol, 630 W 168th St, New York, NY 10032 USA