1. Department of Women and Children's Health Unit of Gynaecology and Obstetrics University of Padua Padua Italy
2. Department of Neuroscience Reproductive Sciences and Dentistry School of Medicine University of Naples Federico II Naples Italy
3. 9.Baby, Family and Fertility Centre Bologna Bologna Italy
4. Department of Biomedical, Experimental and Clinical Sciences Division of Obstetrics and Gynaecology Careggi University Hospital University of Florence Florence Italy