[1] Ist Sci San Raffaele, Dept Oncol, Unit Lymphoid Malignancies, I-20132 Milan, Italy
[2] Ist Sci San Raffaele, Dept Oncol, Milan, Italy
[3] Univ Roma La Sapienza, Rome, Italy
[4] Laikon Gen Hosp, Athens, Greece
[5] San Bortolo Hosp, Vicenza, Italy
[6] Hosp Businco, Cagliari, Italy
[7] Policlin Le Scotte, Siena, Italy
[8] Ist Pascale, Naples, Italy
[9] AO, I-25125 Reggio Emilia, Italy
[10] Spedali Civil Brescia, Dept Hematol, Brescia, Italy
[11] Osped San Giovanni Battista Torino, Turin, Italy
[12] Osped Civile, I-33100 Piacenza, Italy
[13] Univ Udine, Clin Haematol, Chair Haematol, Udine, Italy
[14] GATLA, Grp Argentino Trataminento Leucemia Aguda, Buenos Aires, DF, Argentina
[15] Ist Clin Humanitas, Rozzano, Italy
[16] Busonera Hosp, Padua, Italy
[17] Lisbon Hosp, Lisbon, Portugal
[18] Univ Campus Biomed Roma, Rome, Italy
[19] Lima Hosp, Lima, Peru
[20] IIL, Bari, Italy
[21] Univ Careggi, Azienda Osped, Florence, Italy
[22] Kantonsspital, Aarau, Switzerland
[23] Ist Sci San Raffaele, Div Neurosurg, Milan, Italy
[24] Int Extranodal Lymphoma Study Grp, Expt Oncol Lab, Oncol Inst So Switzerland IOSI, Bellinzona, Switzerland
[25] Int Extranodal Lymphoma Study Grp, Oncol Inst So Switzerland IOSI, Lymphoma Unit, Bellinzona, Switzerland