1. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
2. Division of Obstetrics and Gynaecology, Centre for Assisted Reproductive Technology, Careggi University Hospital, Florence, Italy
3. Department of Clinical and Experimental Biomedical Sciences, University of Florence, Florence, Italy
4. dCISMEG: Centre for Research and Innovation in Health and Gender Medicine, Careggi University Hospital, Florence, Italy