1. Molecular Genetics Department; Royal Devon and Exeter NHS Foundation Trust; Exeter UK
2. Institute of Biomedical and Clinical Science; University of Exeter Medical School; Exeter UK
3. Clinical Genetics Department; Royal Devon and Exeter NHS Foundation Trust; Exeter UK
4. Department of Clinical Genetics; Our Lady's Children's Hospital; Dublin Ireland
5. North West Thames Regional Genetics Service; London North West Healthcare NHS Trust; Harrow UK
6. Guy's Regional Genetics Service; Guy's and St Thomas' NHS Foundation Trust; London UK
7. Oxford Regional Clinical Genetics Service; Northampton General Hospital; Northampton UK
8. Oxford Centre for Genomic Medicine; Oxford University Hospitals NHS Foundation Trust; Oxford UK
9. West Midlands Medical Genetics Department; Birmingham Women's Hospital; Birmingham UK
10. Department of Clinical Genetics, City Campus; Nottingham University Hospitals NHS Trust; Nottingham UK
11. South West Thames Regional Genetics Service; St George's University Hospitals NHS Foundation Trust; London UK
12. Institute of Medical Genetics; University Hospital of Wales; Cardiff UK
13. Department of Clinical Genetics; Liverpool Women's NHS Foundation Trust; Liverpool UK
14. Department of Clinical Genetics; University Hospital Bristol; Bristol UK
15. Sheffield Clinical Genetics Service; Sheffield Children's Hospital; Sheffield UK
16. Victorian Clinical Genetics Services; Murdoch Children's Research Institute; Melbourne Vic Australia
17. Leicester Clinical Genetics, Women's and Children's Services; Leicester Royal Infirmary; Leicester UK
18. Wessex Clinical Genetics Service; University Hospital Southampton NHS Foundation Trust; Southampton UK