1. East Anglian Medical Genetics Service, Addenbrooke's Treatment Centre Addenbrooke's Hospital Cambridge UK
2. South West Thames Regional Genetics Service St George's University Hospitals NHS Foundation Trust London UK
3. Institute of Cancer Research, Sutton London UK
4. Cancer Genetics Unit The Royal Marsden NHS Foundation Trust London UK
5. National Disease Registration Service NHS Digital London UK
6. South West Genomics Laboratory Hub, Bristol Genetics Laboratory North Bristol NHS Trust, Pathology Building, Southmead Hospital Bristol UK
7. West Midlands Regional Genetics Laboratory Birmingham Women's and Children's NHS Foundation Trust Birmingham UK
8. Molecular Pathology Laboratory Synnovis Analytics, King's College Hospital London UK
9. Centre for Genomics and Computational Biology Barts Cancer Institute, Queen Mary University of London London UK
10. King's College Hospital NHS Foundation Trust London UK
11. National Institute for Health and Care Research and Wellcome King's Research Facility London UK
12. King's College London London UK
13. Oxford University Hospitals NHS Foundation Trust and Central and South Genomic Laboratory Hub Oxford UK
14. Genomics Unit NHS UK and NHS Improvement Leeds UK
15. North East and Yorkshire Genomic Laboratory Hub Leeds UK