1. Obstetrics and Gynecology Unit, Department of Medicine and Surgery, University of Parma, Azienda Ospedaliero-Universitaria Ospedale Maggiore di Parma , Parma , Italy
2. Perinatal Medicine Foundation and Department of Perinatal Medicine,Memorial BAH Hospital Istanbul , Turkey
3. Department of Obstetrics, Gynecology and Reproductive Sciences, University of Maryland School of Medicine , Baltimore , Maryland USA
4. FETALMED Maternal-Fetal Diagnostic Center, Fetal Imaging Unit , Santiago , Chile
5. Fetal Medicine Unit, St George University Hospital NHS Foundation Trust , London , United Kingdom
6. Department of Obstetrics and Gynaecology, School of Clinical Sciences, Monash University , Melbourne , Victoria , Australia
7. Fetal Medicine Unit, Di Venere and Sarcone Hospitals , ASL BA , Bari , Italy
8. Hospital Universitario de Torrejón , Madrid , Spain
9. School of Medicine , Universidad Francisco de Vitoria , Madrid , Spain
10. Fetal Medicine Unit , Dr Shterev hospital, Bulgaria and Medical University of Pleven , Sofia , Bulgaria
11. Third Department of Obstetrics and Gynaecology, Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki , Thessaloniki/ Greece GR
12. Fetal Diagnostic Center, CRIFM, Prenatal Medical Clinic , Osaka , Japan
13. Department of Obstetrics, Perinatology and Gynecology, Medical University of Warsaw , Warsaw , Poland
14. Fetal Medicine Unit, Centro Hospitalar Universitário de Lisboa Central , Lisboa , Portugal
15. Instituto Nacional Materno Perinatal , Lima , Peru
16. Department of Obstetrics and Gynecology, Center for Fetal Care and High-Risk Pregnancy, University of Chieti , Chieti , Italy
17. Fetal Medicine Unit, University Hospital 12 de Octubre , Madrid , Spain
18. Department of Obstetrics and Gynecology, Medical Faculty, Skopje University , Skopje , North Macedonia