[1] Ludwig Maximilians Univ Munchen, Univ Hosp, Dept Internal Med 3, Munich, Germany
[2] Univ Torino, Dipt Med & Oncol, Alessandria, Italy
[3] Erasmus MC Canc Inst, Rotterdam, Netherlands
[4] Univ Barcelona, Hosp Clin Barcelona, Dept Hematol, IDIBAPS, Barcelona, Spain
[5] Lund Univ, Inst Clin Sci, Dept Pathol & Oncol, Lund, Sweden
[6] Kantonshospital Graubuenden, Oncol & Hematol, Chur, Switzerland
[7] Maria Sklodowska Curie Inst Oncol Ctr, Dept Lymphoid Malignancy, Warsaw, Poland
[8] Copenhagen Univ Hosp, Dept Haematol, Rigshosp, Copenhagen, Denmark
[9] Oslo Univ Hosp, Dept Oncol, Radiumhosp, Oslo, Norway
[10] UZ Leuven, Campus Gasthuisberg, Leuven, Belgium
[11] Charles Univ Gen Hosp, Dept Med Hematol 1, Prague 2, Czech Republic
[12] First Fac Med, Prague 2, Czech Republic
[13] Portuguese Inst Oncol, Hematol Unit, Lisbon, Portugal
[14] Univ Hosp Schleswig Holstein, Med Clin 2, Kiel, Germany
[15] Inst Pathol, Kiel, Germany
[16] Ludwig Maximilians Univ Hosp, Dept Med 3, Munich, Germany
[17] Ludwig Maximilians Univ Hosp, Dept Internal Med 3, Munich, Germany