1. Department of Mother, Child and Neonate Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
2. Department of Obstetrics and Gynecology Papa Giovanni XXIII Hospital Bergamo Italy
3. Division of Obstetrics and Gynaecology ASST Spedali Civili Brescia Italy
4. Department of Clinical and Experimental Sciences University of Brescia Brescia Italy
5. Department of Maternal Fetal Medicine Fondazione MBBM San Gerardo Hospital Monza Italy
6. University of Milano Bicocca Monza Italy
7. Department of Woman, Mother and Neonate Sacco Hospital‐ASST‐Fatebenefratelli‐Sacco Milan Italy
8. Department of Clinical and Biological Sciences University of Milan Milan Italy
9. Department of Obstetrics and Gynecology IRCCS Foundation Policlinico San Matteo University of Pavia Pavia Italy
10. Department of Obstetrics and Gynecology University of Insubria Varese Italy
11. Department of Clinical Sciences and Community Health University of Milan Milan Italy