1. Department of Obstetrics and Gynaecology, University of Chieti, Chieti, Italy;
2. Department of Medicine and Science of Aging, University of Chieti, Chieti, Italy;
3. ITAB Institute of Advanced Biomedical Technologies, University of Chieti, Chieti, Italy;
4. Department of Obstetrics and Gynecology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA