King’s College London - Harris Birthright Research Centre for Fetal Medicine, University of Exeter - Institute of Health Research, King’s College London - Department of Women and Children’s Health, King’s College London - Department of Women and Children’s Health, King’s College London - Department of Women and Children’s Health, NHS Foundation Trust - Fetal Medicine Research Institute, University of Exeter - Institute of Health Research and NHS Foundation Trust - Fetal Medicine Research Institute

King’s College London - Department of Women and Children’s Health, University of Exeter - Institute of Health Research, NHS Foundation Trust - Fetal Medicine Research Institute, King’s College London - Department of Women and Children’s Health, NHS Foundation Trust - Fetal Medicine Research Institute, University of Exeter - Institute of Health Research and NHS Foundation Trust - Fetal Medicine Research Institute

Copenhagen University - Center for Fetal Medicine and Ultrasound, Copenhagen University - Center for Fetal Medicine and Ultrasound, Aarhus University - Department of Clinical Medicine, University of Copenhagen - Department of Clinical Medicine, Aalborg University Hospital - Department of Obstetrics and Gynaecology, Odense University Hospital - Department of Obstetrics and Gynaecology, University of Copenhagen - Copenhagen University Hospital, University of Copenhagen - Copenhagen University Hospital, Copenhagen University - Center for Fetal Medicine and Ultrasound, University of Exeter - Institute of Health Research, University of Exeter - Institute of Health Research, Sydney Ultrasound for Women, Copenhagen University - Center for Fetal Medicine and Ultrasound and Copenhagen University - Center for Fetal Medicine and Ultrasound