1. Department of Obstetrics and GynaecologyAzienda Ospedaliera Villa Sofia Cervello Palermo Italy
2. Department of Obstetrics and GynaecologyArnas Civico Hospital Palermo Italy
3. Department of Obstetrics and Gynaecology, Division of Maternal–Fetal MedicineNew York University SOM New York NY USA
4. Centre for Medical Education and Clinical Research (CEMIC)University Hospital Buenos Aires Argentina
5. Department of ObstetricsGynecology and Reproductive Science, Icahn School of Medicine at Mount Sinai New York NY USA
6. Fetal Medicine Unit, St George's University Hospitals NHS Foundation Trust, University of London London UK
7. Department of Medical SciencesUniversity of Ferrara Ferrara Italy
8. Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London London UK
9. Department of Obstetrics and GynaecologyUniversity of Chieti Chieti Italy
10. Fetal Medicine Unit, Department of Medical and Surgical Sciences, Department of Obstetrics and GynecologyUniversity of Foggia Foggia Italy