1. Fetal Medicine Unit, St George's University Hospital and St George's University of London London UK
2. Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet & Center for Fetal Medicine, Karolinska University Hospital Stockholm Sweden
3. Women's Health and Perinatology Research Group, Faculty of Medicine, University of Tromsø and University Hospital of Northern Norway Tromsø Norway
4. Johns Hopkins Center for Fetal Therapy, Department of Gynecology & Obstetrics, Johns Hopkins University Baltimore MD USA
5. Department of Obstetrics and Gynecology Amsterdam UMC, Amsterdam and Academic Medical Center Groningen, University of Groningen Groningen The Netherlands
6. Univ Klinik fuer Gynaekologie und Geburtshilfe Innsbruck Austria
7. Sociedad Argentina de Ultrasonografía en Medicina y Biología Argentina
8. Department of Obstetrics and Gynecology, Haukeland University Hospital, and Department of Clinical Medicine, University of Bergen Bergen Norway
9. Department of Obstetrics and Gynecology and Reproductive Sciences, McGovern Medical School, University of Texas, Health Science Center at Houston (UTHealth) Houston TX USA
10. Gynaecology, Charité, CBF Berlin Germany
11. Maternal‐Fetal Medicine Division, Department of Obstetrics & Gynaecology, Mount Sinai Hospital, University of Toronto Toronto Canada
12. Department of Clinical Science, University of Bergen and Department of Obstetrics and Gynecology, Haukeland University Hospital Bergen Norway
13. Mater Research Institute/University of Queensland Brisbane Australia
14. Texas Children's Fetal Center, Texas Children's Hospital Pavilion for Women, Department of Obstetrics and Gynecology, Baylor College of Medicine Houston TX USA
15. Centre for Fetal Care, Queen Charlotte's & Chelsea Hospital, Imperial College Healthcare NHS Trust London UK
16. Department of Development & Regeneration KU Leuven Leuven Belgium
17. Department of Obstetrics and Gynaecology, Queen Elizabeth Hospital Hong Kong
18. Division of Ob‐Gyn Ultrasound, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center and Sackler Faculty of Medicine, Tel Aviv University Tel Aviv Israel
19. Women's Health Institute, Department of Obstetrics and Gynecology, Cleveland Clinic Foundation Cleveland OH USA
20. Division of Obstetrics and Gynaecology, Department of Clinical and Experimental Sciences, University of Brescia Brescia Italy
21. FETALMED – Maternal‐Fetal Diagnostic Center, Fetal Imaging Unit Santiago Chile
22. Department of Obstetrics and Gynaecology, University of Sydney Sydney Australia