1. Oxford Fetal Medicine Unit Women's CenterJohn Radcliffe HospitalOxford University Hospitals NHS Foundation Trust Oxford UK
2. Department of Obstetrics and Gynecology Wexham Park HospitalFrimley Health NHS Foundation Trust Wexham Slough UK
3. Department of Obstetrics and Gynecology Royal Berkshire NHS Foundation Trust Reading UK
4. Department of Obstetrics and Gynecology Milton Keynes University NHS Foundation Trust Milton Keynes UK
5. Department of Obstetrics and Gynecology Faculty of Medicine Cairo University Cairo Egypt
6. Department of Obstetrics and Gynecology Great Western Hospital NHS Foundation Trust Swindon UK
7. Oxford Academic Health Science Network Oxford UK