1. Department of Obstetrics and GynecologyUniversity of Parma Parma Italy
2. Obstetrics and maternal‐fetal Medicin, Hospital Necker Enfants Malades, APHPUniversity Paris Descartes Paris France
3. Departement of Pediatric Radiology, Hospital Necker Enfants Malades, APHPUniversity Paris Descartes Paris France
4. Departement of Pediatric Ophtalmology, Hospital Necker Enfants Malades, APHPUniversity Paris Descartes Paris France