1. Department of Medical Oncology; Family Cancer Clinic; Erasmus MC Cancer Institute; Rotterdam the Netherlands
2. Department of Epidemiology; NKI-AVL; Amsterdam the Netherlands
3. Department of Clinical Genetics; AMC; Amsterdam the Netherlands
4. Department of Medical Genetics; UMCU; Utrecht the Netherlands
5. Department of Clinical Genetics; EMC; Rotterdam the Netherlands
6. Department of Surgery; UMCG; Groningen the Netherlands
7. Department of Human Genetics; Radboud University Nijmegen Medical Centre; Nijmegen the Netherlands
8. Department of Surgery; MUMC; Maastricht the Netherlands
9. Department of Surgery; Erasmus MC Cancer Institute; Rotterdam the Netherlands
10. Department of Human Genetics; VUMC; Amsterdam the Netherlands
11. Department of Surgery; LUMC; Leiden the Netherlands
12. Foundation for Detection of Hereditary Tumours; Leiden the Netherlands