1. Department of Obstetrics and Gynecology University Milano‐Bicocca Monza Italy
2. School of Medicine and Surgery University Milano‐Bicocca Monza Italy
3. Department of Obstetrics and Gynecology ASST Santi Paolo e Carlo, San Paolo Hospital Milano Italy
4. Department of Obstetrics and Gynecology ASST Monza, San Gerardo Hospital Monza Italy