1. Department of Clinical Genetics; Leiden University Medical Centre; Leiden The Netherlands
2. Department of Human Genetics; Leiden University Medical Centre; Leiden The Netherlands
3. Department of Human Genetics; Radboud University Medical Center; Nijmegen The Netherlands
4. Department of Genetics; University of Groningen, University Medical Center Groningen; Groningen The Netherlands
5. Department of Clinical Genetics; VU University Medical Center; Amsterdam The Netherlands
6. Department of Clinical Genetics; Academic Medical Centre; Amsterdam The Netherlands
7. Department of Clinical Genetics; Maastricht University Medical Centre; Maastricht The Netherlands
8. Department of Medical Genetics; University Medical Centre Utrecht; Utrecht The Netherlands
9. Netherlands Cancer Institute; Amsterdam The Netherlands
10. Clinical Genetics Service, Saint Mary's Hospital; Central Manchester University Hospitals NHS Foundation Trust; Manchester United Kingdom
11. Department of Clinical Genetics; Erasmus Medical Centre; Rotterdam The Netherlands
12. Department of Pathology; Radboud University Medical Center; Nijmegen The Netherlands