1. Department of Obstetrics and GynaecologyArnas Civico Hospital Palermo Italy
2. Department of Maternal‐Fetal MedicineCatholic University of The Sacred Heart Rome Italy
3. Department of Women's and Children's HealthCatholic University of the Sacred Heart Rome Italy
4. Department of Clinical Medicine, Faculty of Health SciencesUiT – The Arctic University of Norway Tromsø Norway