[1] Netherlands Comprehens Canc Org IKNL, Utrecht, Netherlands
[2] Zuyderland Med Ctr, Geleen, Netherlands
[3] Netherlands Canc Inst Antoni van Leeuwenhoek, Amsterdam, Netherlands
[4] Univ Med Ctr Utrecht, Julius Ctr Hlth Sci & Primary Care, Utrecht, Netherlands
[5] Lab Pathol, Dordrecht, Netherlands
[6] Dutch Breast Canc Soc BVN, Utrecht, Netherlands
[7] Univ Utrecht, Univ Med Ctr Utrecht, Utrecht, Netherlands
[8] Radboud Univ Nijmegen Med Ctr, Nijmegen, Netherlands