[1] Netherlands Canc Inst, Amsterdam, Netherlands
[2] Erasmus MC Canc Inst, Rotterdam, Netherlands
[3] Netherlands Comprehens Canc Org IKNL, Nijmegen, Netherlands
[4] Erasmus Sch Hlth Policy Management, Rotterdam, Netherlands
[5] Spaarne Gasthuis, Hoofddorp, Netherlands
[6] Rijnstate Hosp, Arnhem, Netherlands
[7] Med Ctr Leeuwarden, Leeuwarden, Netherlands
[8] Amphia Hosp, Breda, Netherlands
[9] Isala, Zwolle, Netherlands
[10] St Antonius Hosp, Nieuwegein, Netherlands
[11] Franciscus Gasthuis Vlietland, Schiedam, Netherlands
[12] Meander Med Ctr, Amersfoort, Netherlands
[13] Jeroen Bosch Hosp, Shertogenbosch, Netherlands
[14] Gelre Hosp, Apeldoorn, Netherlands
[15] Northwest Clin, Alkmaar, Netherlands
[16] Dutch Breast Canc Res Grp BOOG, Utrecht, Netherlands
[17] Vrije Univ Amsterdam, Amsterdam Univ Med Ctr, Amsterdam, Netherlands
[18] Erasmus MC Canc Inst, Rotterdam, Netherlands