| Affiliation: | 1. Fetal Medicine Unit, University College London Hospital, London, UK;2. Department of Clinical Genetics, Great Ormond Street Hospital, London, UK;3. Department of Perinatal Pathology, University College London Hospital, London, UK;4. KeyMed Ltd, Stock Road, Southend-on-sea, UK;5. Department of Prenatal Diagnosis and Obstetrics, Academic Medical Centre, Amsterdam, The Netherlands;6. Department of Clinical Genetics, Academic Medical Centre, Amsterdam, The Netherlands;7. Fetal Medicine Unit, University College London Hospital, London, UK Academic Department of Clinical and Molecular Genetics, Institute of Child Health, London, UK |
