[1] Kantonsspital, Fachbereich Onkol Hamatol, Dept Hematol & Oncol, CH-9007 St Gallen, Switzerland
[2] Triemlispital Zurich, Dept Oncol, Zurich, Switzerland
[3] SAKK Bern, Coordinat Ctr, Bern, Switzerland
[4] Univ Hosp Geneva, Dept Surg, Geneva, Switzerland
[5] Univ Basel Hosp, Dept Internal Med, Div Med Oncol, CH-4031 Basel, Switzerland
[6] Kantonsspital Aarau, Dept Hematol & Oncol, Aarau, Switzerland
[7] Kantonsspital Graubunden, Dept Med Oncol & Hematol, Chur, Switzerland
[8] Inselspital Bern, Inst Med Oncol, CH-3010 Bern, Switzerland
[9] Univ Zurich Hosp, Dept Oncol, CH-8091 Zurich, Switzerland
[10] Univ Hosp Geneva, Dept Radiat Oncol, Geneva, Switzerland
[11] Univ Basel Hosp, Inst Pathol, CH-4031 Basel, Switzerland
[12] Triemlispital Zurich, Dept Surg, Zurich, Switzerland
[13] Kantonsspital Aarau, Inst Radiooncol, Aarau, Switzerland
[14] Hirslanden Clin Aarau, Tumor Ctr, Aarau, Switzerland