[1] Radboud Univ Nijmegen Med Ctr, Nijmegen, Netherlands
[2] Meander Med Ctr, Amersfoort, Netherlands
[3] Netherlands Canc Insitute, Amsterdam, Netherlands
[4] Catharina Hosp, Eindhoven, Netherlands
[5] Spaarne Hosp, Hoofddorp, Netherlands
[6] Maasland Hosp, Sittard, Netherlands
[7] Bernhoven Hosp, Oss, Netherlands
[8] Comprehens Canc Ctr E IKO, Nijmegen, Netherlands
[9] Netherlands Canc Inst, Amsterdam, Netherlands