1. Department of Obstetrics and Fetal Medicine, Hopital Necker-Enfants Malades, Assistance Publique-Hopitaux de Paris, Paris Descartes University, Paris, France and; SFAPE (Société Française d'Amélioration des Pratiques Echographique)
2. Department for Women's and Children's Health; University of Liverpool; Liverpool UK
3. Department of Obstetrics and Gynaecology; CHU Sainte Justine, University of Montreal; Montreal QC Canada
4. Department of Obstetrics and Gynecology; University of Tuebingen; Tuebingen Germany
5. Fetal Medicine and Surgery Unit; Giannina Gaslini Institute; Genoa Italy
6. Department of Maternal Fetal Medicine, Obstetric Ultrasound and Prenatal Diagnostic Unit; KK Women's and Children's Hospital; Singapore
7. Division of Obstetrics & Gynaecology, School of Clinical Sciences; University of Nottingham; Nottingham UK