| Institution: | 1. Antenatal Testing Center Alexandria Hospital, Alexandria, VA, USA;2. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA;3. Departments of Pathology and Cell Biology, Columbia University, New York, NY, USA;4. Department of Obstetrics and Gynaecology, Mount Sinai Hospital and University of Toronto, Toronto, Canada;5. Departments of Obstetrics and Gynaecology, University Hospitals Leuven, Leuven, Belgium;6. North East Thames Regional Genetics Service, Great Ormond Street NHS Foundation Trust, London, UK |
