1. Department of Human Genetics, Radboudumc Expert Center for PHTS, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
2. Radboud Institute for Medical Innovation, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
3. Department of Human Genetics, University of Leuven, 3000 Leuven, Belgium
4. Center for Medical Genetics, Ghent University Hospital, 9000 Ghent, Belgium
5. Karaiskakio Foundation, Nicosia Cyprus and Archbishop Makarios III Children’s Hospital, Nicosia 2012, Cyprus
6. Service de Génétique, Institut Curie, 75248 Paris, France
7. Institute for Clinical Genetics, Faculty of Medicine Carl Gustav Carus, Technische Universitat Dresden, 01062 Dresden, Germany
8. Hereditary Cancer Syndrome Center Dresden, 01307 Dresden, Germany
9. German Cancer Consortium (DKTK), 69120 Dresden, Germany
10. Medical Genetics Center, 80335 Munich, Germany
11. Arbeitsgruppe Erbliche Gastrointestinale Tumore, Medizinische Klinik und Poliklinik IV—Campus Innenstadt, Klinikum der Universität München, 81377 Munich, Germany
12. Medical Genetics, University of Siena, 53100 Siena, Italy
13. Med Biotech Hub and Competence Center, Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy
14. Genetica Medica, Azienda Ospedaliero-Universitaria Senese, 53100 Siena, Italy
15. Institute of Oncology, Riga Stradins University, 1007 Riga, Latvia
16. Breast Unit, Pauls Stradins Clinical University Hospital, 1002 Riga, Latvia
17. Department of Genetics, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
18. Department of Endocrinology, University of Groningen, University Medical Center Groningen, 9713 GZ Groningen, The Netherlands
19. Department of Clinical Genetics, Maastricht University Medical Center, 6229 ER Maastricht, The Netherlands
20. Department of Clinical Genetics, Erasmus MC Rotterdam, 3015 GD Rotterdam, The Netherlands
21. Western Norway Familial Cancer Center, Department of Medical Genetics, Haukeland University Hospital, 5021 Bergen, Norway
22. Department of Medical Genetics, Oslo University Hospital, 0450 Oslo, Norway
23. Department of Clinical Cancer Genetics, Institute of Oncology Ljubljana, 1000 Ljubljana, Slovenia
24. Hereditary Cancer Program, Catalan Institute of Oncology, IDIBELL-IDIBGI, 08916 Barcelona, Spain
25. Department of Clinical Genetics, Karolinska University Hospital, 14186 Stockholm, Sweden
26. Department of Molecular Medicine and Surgery, Karolinska Institute, 17177 Stockholm, Sweden