Fetal Medicine Department, ULB-Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium;2. Neonatal Intensive Care Unit, CHU Charleroi, Charleroi, Belgium;3. Fetal Medicine Department, ULB-Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium;4. Clinical Chemistry, ULB-Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium;5. Department of Medicine, University of Verona, Verona, Italy;6. Pathology Department, ULB-Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium;7. Medical Genetics Department, ULB-Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium;8. Radiology Department, ULB-Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium