1. Department of Clinical Genetics; Leiden University Medical Centre; Leiden the Netherlands
2. Dutch Breast Cancer Research Group; Amsterdam the Netherlands
3. Department of Medical Statistics and Bioinformatics; Leiden University Medical Centre; Leiden the Netherlands
4. Department of Human Genetics; Radboud University Medical Centre; Nijmegen the Netherlands
5. Department of Genetics; University of Groningen, University Medical Centre Groningen; Groningen the Netherlands
6. Department of Genetics; University Medical Centre; Utrecht the Netherlands
7. Department of Clinical Genetics; Erasmus Medical Centre; Rotterdam the Netherlands
8. Department of Clinical Genetics; VU University Medical Centre; Amsterdam the Netherlands
9. Department Clinical Genetics; Maastricht University Medical Centre; Maastricht the Netherlands
10. Department of Clinical Genetics; the Netherlands Cancer Institute; Amsterdam the Netherlands
11. Department of Clinical Genetics; Academic Medical Centre; Amsterdam the Netherlands
12. Department of Pathology; Erasmus Medical Centre; Rotterdam the Netherlands
13. Department of Medical Oncology; Erasmus Medical Centre; Rotterdam the Netherlands
14. Department of Medical Oncology; University of Groningen, University Medical Centre Groningen; Groningen the Netherlands
15. Department of Human Genetics; Leiden University Medical Centre; Leiden the Netherlands