1. Department of Biomedical, Experimental and Clinical Sciences – Division of Obstetrics and Gynecology, University of Florence, Careggi University Hospital, Florence, Italy
2. Universidad Rey Juan Carlos, Madrid, Spain
3. Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
4. Department of Human Pathology and Evolutionary Age, University of Messina, Messina, Italy
5. University of Siena, Siena, Italy