1. Unit of ObstetricsDepartment of Mother Neonate and ChildFondazione IRCCS Ca’ Granda Ospedale Maggiore PoliclinicoMangiagalli Centre Milan Italy
2. Department of Clinical Sciences and Community HealthUniversity of Milan Milan Italy
3. Department of Obstetrics and GynecologyPapa Giovanni XXIII Hospital Bergamo Bergamo Italy
4. Department of Women, Mothers and NeonatesBuzzi Children's Hospital ‐ ASST Fatebenefratelli‐Sacco Milan Milan Italy
5. Department of Clinical and Biological SciencesUniversity of Milan Milan Italy
6. Department of Maternal Fetal MedicineFondazione MBBMSan Gerardo HospitalUniversity of Milano Bicocca Monza Italy
7. Department of Obstetrics and GynecologyIRCCS Foundation Policlinico San MatteoUniversity of Pavia Pavia Italy
8. Department of Obstetrics and GynecologyOspedali Riuniti Bresca and University of Brescia Brescia Italy
9. Obstetric Task Force CoordinatorDirezione Generale Sanità Regione Lombardia Italy