[1] Cantonal Hosp, Dept Hematol & Oncol, CH-9007 St Gallen, Switzerland
[2] Slotervaart Hosp, Netherlands Canc Inst, Dept Pharm & Pharmacol, Amsterdam, Netherlands
[3] Univ Med Ctr, Dept Hematol & Oncol, Freiburg, Germany
[4] Ist Sci San Raffaele, Unit Lymphoid Malignancies, Dept Oncohematol, I-20132 Milan, Italy