1. South West Thames Regional Genetics ServiceSt George's University NHS Foundation Trust London UK
2. Division of Clinical StudiesInstitute of Cancer Research London UK
3. Division of Genetics and EpidemiologyInstitute of Cancer Research London UK
4. Clinical Genetics DepartmentGuy's and St. Thomas NHS Trust London UK
5. Northern Genetics ServiceNewcastle upon Tyne NHS Foundation Trust Newcastle upon Tyne UK
6. North of Scotland Medical Genetic ServiceAberdeen Royal Infirmary Aberdeen UK
7. Wessex Clinical Genetics ServicePrincess Anne Hospital Southampton UK
8. Human Development and Health, Duthie BuildingUniversity of Southampton Southampton UK
9. Department of Clinical GeneticsLiverpool Women's NHS Foundation Trust Liverpool UK
10. Institute of Cancer and Genomic SciencesUniversity of Birmingham Birmingham UK
11. West Midlands Regional Genetics ServiceBirmingham Women's and Children's NHS Foundation Trust Birmingham UK
12. David Geffen School of Medicine at the University of CaliforniaLos Angeles (UCLA) Los Angeles California
13. Department of PediatricsCedars‐Sinai Medical Center Los Angeles California
14. East of England Regional Medical Genetics ServiceAddenbrooke's Hospital Cambridge UK
15. Department of Clinical GeneticsLeiden University Medical Center Leiden Netherlands
16. Sheffield Clinical Genetics ServiceSheffield Children's NHS Foundation Trust Sheffield UK
17. Oxford Centre for Genomic MedicineOxford University Hospitals NHS Foundation Trust Oxford UK
18. Department of Clinical GeneticsWestern General Hospital Edinburgh UK
19. Clinical Genetics UnitGreat Ormond Street Hospital London UK
20. Temple Street Children's Hospital Dublin Ireland
21. Pediatric Genetics Unit, MBBM FoundationS. Gerardo Hospital Monza Italy
22. Northern Ireland Regional Genetics Centre, Belfast Health and Social Care TrustBelfast City Hospital Belfast UK
23. Manchester Centre for Genomic MedicineCentral Manchester University Hospitals NHS Foundation Trust Manchester UK
24. Abramson Cancer CenterUniversity of Pennsylvania Philadelphia Pennsylvania
25. Department of Human GeneticsRadboud University Medical Center Nijmegen Netherlands
26. Department of Pediatrics and Neurology, and the Board of Governors Regenerative Medicine InstituteCedars‐Sinai Medical Center Los Angeles California
27. Department of Clinical Genetics, PEDEGO Research Unit and Medical Research Center OuluOulu University Hospital and University of Oulu Oulu Finland
28. Centre de Génétique HumaineUniversité de Franche‐Comté Besançon France
29. Clinical Investigation Center 1431National Institute of Health & Medical Research (INSERM) Besançon France
30. Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester University Hospitals NHS Foundation TrustManchester Academic Health Sciences Centre Manchester UK
31. Division of Evolution and Genomic Sciences, School of Biological SciencesUniversity of Manchester Manchester UK
32. St George's University of London London UK