[1] Univ Zurich Hosp, Dept Oncol, Cantonal Hosp Fribourg, Fribourg, Switzerland
[2] SAKK Swiss Grp Clin Canc Res, Bern, Switzerland
[3] Kantonsspital St Gallen, Dept Oncol, St Gallen, Switzerland
[4] Kantonsspital St Gallen, Dept Med Oncol, St Gallen, Switzerland
[5] Univ Basel Hosp, Dept Med Oncol, Basel, Switzerland
[6] HUG Hop Univ Geneve, Dept Oncol, Geneva, Switzerland
[7] USZ Univ Hosp Zurich, Dept Med Oncol & Hematol, Zurich, Switzerland
[8] Univ Zurich, Fac Sci & Med, Dept Med Surg Specialties, Zurich, Switzerland
[9] Univ Fribourg, Fribourg, Switzerland
[10] Kantonsspital Baden, Med Oncol, Baden, Switzerland
[11] HFR Hop Cantonal, Med Oncol, Fribourg, Switzerland
[12] Univ Klin Med Onkol, Dept Med Oncol, Inselspital, Bern, Switzerland
[13] Univ Zurich Hosp, Fac Sci & Med, Zurich, Switzerland
[14] Stadtsp Zurich Triemli, Dept Radiol & Nucl Med, Zurich, Switzerland
[15] USZ Univ Hosp Zurich, Dept Radiol, Inst Diagnost & Intervent Radiol, Zurich, Switzerland
[16] SAKK Swiss Grp Clin Canc Res, Dept Stat, Bern, Switzerland
[17] KSGR Kantonsspital Graubunden, Dept Hematol Oncol, Chur, Switzerland
[18] Kantonsspital St Gallen, Med Oncol & Hematol Dept, St Gallen, Switzerland