1. Department of the Mother and Neonate Institute for Maternal and Child Health ‐ IRCCS Burlo Garofolo Trieste Italy
2. Department of Medicine, Surgery and Health Sciences University of Trieste Trieste Italy
3. Department of Metabolism, Digestion and Reproduction Institute of Developmental and Reproductive Biology, Imperial College London London UK
4. Department of Fetal Medicine Queen Charlotte's and Chelsea Hospital, Imperial College NHS Trust London UK
5. Clinical Epidemiology and Public Health Research Unit Institute for Maternal and Child Health ‐ IRCCS Burlo Garofolo Trieste Italy
6. Obstetrics and Gynecology Unit, Department of Medicine and Surgery University of Parma Parma Italy
7. Fetal Medicine Unit St George's University Hospitals NHS Foundation Trust London UK
8. Vascular Biology Research Centre, Molecular and Clinical Sciences Research Institute St George's University of London London UK
9. Division of Obstetrics and Gynaecology, Department of Surgery, Policlinico Casilino University of Rome Tor Vergata Rome Italy