[1] Univ Turin, Dept Pathol, I-10126 Turin, Italy
[2] Univ Turin, CeRMS, I-10126 Turin, Italy
[3] NYU, Sch Med, NYU Canc Ctr, Dept Pathol, New York, NY 10016 USA
[4] Ist Sci San Raffaele, Unit Lymphoid Malignancies, I-20132 Milan, Italy
[5] Oncol Inst So Switzerland IOSI, Expt Oncol Lab, CH-6900 Bellinzona, Switzerland
[6] Oncol Inst So Switzerland IOSI, Lymphoma Unit, CH-6900 Bellinzona, Switzerland
[7] Univ Bologna, S Orsola Malpighi Hosp, Dept Hematol & Oncol Sci L&A Seragnoli, Hematopathol Sect, I-40138 Bologna, Italy