1. Fetal Medicine Department; Rosie Hospital; Cambridge University Hospitals NHS Foundation Trust; Cambridge UK
2. Fetal Medicine Centre; Medway NHS Foundation Trust; Gillingham Kent UK
3. Department of Obstetrics and Gynecology; Stavanger University Hospital; Stavanger Norway
4. National Centre for Fetal Medicine; Trondheim University Hospital (St Olavs Hospital); Trondheim Norway
5. Department of Obstetrics and Gynaecology; Clinical Sciences; Lund University; Lund Sweden
6. Department of Surgery and Cancer; Imperial College London; London SW7 2AZ UK
7. Department of Development and Regeneration; KU Leuven; Belgium