1. Department of Medical GeneticsUniversity of Cambridge and NIHR Cambridge Biomedical Research Centre, Cancer Research UK Cambridge Centre, Cambridge Biomedical Campus Cambridge UK
2. Department of Clinical GeneticsSheffield Children's Hospital Sheffield UK
3. West of Scotland Genetics ServicesQueen Elizabeth University Hospital Glasgow UK
4. West Midlands Regional Genetics ServiceBirmingham Women's and Children's National Health Service (NHS) Foundation Trust Birmingham UK
5. Northern Ireland Regional Genetics ServiceBelfast City Hospital, Belfast Health & Social Care Trust Belfast UK
6. East of Scotland Regional Genetics ServiceNinewells Hospital Dundee UK
7. Department of HistopathologyCambridge University NHS Foundation Trust and Cancer Research UK Cambridge Centre Cambridge UK
8. Manchester Centre for Genomic Medicine and NW Laboratory Genetics Hub, Manchester University Hospitals NHS Foundation Trust, Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and HealthUniversity of Manchester, Health Innovation Manchester Manchester UK