1. North Thames Genomic Laboratory Hub Great Ormond Street Hospital for Children NHS Foundation Trust London UK
2. Genetics and Genomic Medicine UCL Great Ormond Street Institute of Child Health London UK
3. Queen Charlotte's & Chelsea Hospital Imperial College Healthcare NHS Trust London UK
4. Clinical Genetics Service Nottingham City Hospital Nottingham UK
5. South West Thames Regional Genetics Service London UK
6. School of Biological and Molecular Sciences St George's University of London London UK
7. Elizabeth Garrett Anderson Institute for Women's Health University College London London UK
8. Fetal Medicine Unit University College London Hospitals London UK