1. Division of Obstetrics and Prenatal MedicineDepartment of Medicine and Surgery (DIMEC) Sant'Orsola‐Malpighi HospitalUniversity of Bologna Bologna Italy
2. Department of Surgical SciencesOIRM Sant’Anna Hospital University of Turin Turin Italy
3. Division of Obstetrics and GynaecologyDepartment of Clinical and Experimental SciencesUniversity of Brescia Italy
4. Division of Obstetrics and GynaecologyASST Spedali Civili Brescia Italy
5. Gynaecology and Obstetrics DepartmentIRCCS San Raffaele HospitalVita‐Salute University Segrate (Milan) Italy
6. Department of Woman, Child and NeonateFondazione IRCCS Ca' Granda ‐ Ospedale Maggiore PoliclinicoUniversity of Milan Milan Italy
7. Department of Obstetrics and Gynecology SAnna University Hospital Cona, Ferrara Italy