1. Department of Medical Genetics, University of Cambridge and Cambridge NIHR Biomedical Research Centre, Cambridge, England
2. Department of Clinical Genetics, Aarhus University Hospital, Denmark
3. West Midlands Regional Genetics Service, Birmingham Women’s Hospital NHS Trust, Birmingham, England
4. Division of Pathology, University of Edinburgh and Institute for Genetics and Molecular Medicine, Western General Hospital, Edinburgh, Scotland
5. Department of Pathology, Addenbrooke’s Hospital, Hills Road, Cambridge, England
6. Institute of Cancer and Genetics, Cardiff University School of Medicine, Wales
7. Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, the Netherlands
8. Department of Genomic Medicine, St. Mary's Hospital, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, England