1. Department of Obstetrics and Gynaecology, University of British Columbia (UBC), Canada (J.N.B., A.S., S.P., S.O., M.V.).
2. Centro Rosarino de Estudios Perinatales, Rosario, Argentina (E.D.A.).
3. Fetal Medicine Unit, Department of Obstetrics and Gynaecology, St George’s University Hospitals, NHS Foundation Trust, United Kingdom (A.K.).
4. Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George’s University of London, United Kingdom (A.K.).
5. School of Population and Public Health, UBC, Canada (J.S.).
6. Department of Women and Children’s Health, King’s College London, United Kingdom (P.v.D., L.A.M.).