1. University Hospital Leipzig Department of Obstetrics Leipzig Germany
2. Fetal Medicine Unit‐SAMID, Department of Obstetrics and Gynaecology Hospital Universitario 12 de Octubre Universidad Complutense Madrid Spain
3. Vivantes Clinic Berlin‐Neukölln Department of Obstetrics Berlin Germany
4. Department of Obstetrics, Campus Virchow‐Clinic Charité University Medicine Berlin Berlin Germany
5. The Royal Women's Hospital University of Melbourne Melbourne Australia
6. Department of Obstetrics and Gynaecology University of Liège CHR Citadelle Liège Belgium
7. Women's Clinic and Polyclinic Munich Technical University Hospital Munich Germany
8. Department of Obstetrics and Gynaecology University Hospital Basel Basel Switzerland
9. Department of Obstetrics, Maternal‐Foetal Medicine Unit Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona Barcelona Spain
10. Department of Obstetrics and Gynaecology Innsbruck Medical University Innsbruck Austria
11. Nuffield Department of Obstetrics and Gynaecology University of Oxford Oxford UK
12. Department of Obstetrics and Gynaecology Paracelsus Medical University Salzburg Austria