1. Department of Pathology and Laboratory Medicine Women & Infants Hospital and the Alpert Medical School at Brown University Providence Rhode Island USA
2. Department of Chemical Pathology The Chinese University of Hong Kong Hong Kong SAR China
3. Victorian Clinical Genetics Services (VCGS) Murdoch Children's Research Institute Melbourne Victoria Australia
4. Department of Clinical Genetics Amsterdam UMC, Vrije Universiteit Amsterdam Amsterdam The Netherlands
5. Prenatal Genetic Diagnosis Unit, Genetic Institute, Tel Aviv Medical Center Faculty of Medicine Tel Aviv University Tel Aviv Israel
6. Department of Human Genetics KU Leuven Leuven Belgium
7. Department of Obstetrics and Gynecology, Division of Maternal‐Fetal Medicine University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
8. University of South Carolina SOM Greenville Greenville South Carolina USA
9. Division of Maternal Fetal Medicine and Reproductive Genetics, Department of Obstetrics and Gynecology Brigham and Women's Hospital Boston Massachusetts USA