[1] Kantonsspital Graubuenden, Div Hematol Oncol, Chur, Switzerland
[2] Hirslanden Zurich, Div Hematol Oncol, Zurich, Switzerland
[3] Swiss Grp Clin Canc Res SAKK, Competence Ctr, Bern, Switzerland
[4] Landeskrankenhaus Feldkirch, Internal Med 2, Feldkirch, Austria
[5] Swiss Tumor Inst, Zurich, Switzerland
[6] Hosp Feldkirch, Div Hematol Oncol, Feldkirch, Austria
[7] Hosp Feldkirch, Div Hematol Oncol, Dept Internal Med 2, Feldkirch, Austria
[8] Ente Osped Cantonale EOC, Oncol Inst Southern Switzerland IOSI, Bellinzona, Switzerland
[9] Tumor Zentrum Aarau, Aarau, Switzerland