1. Section of Gynecology and Obstetrics, Academic Department of Biomedicine and Prevention, Clinical Department of Surgery, University of Rome Tor Vergata, Rome, Italy;
2. Department of Human Physiology, Laboratory of Biometry, University of Rome Tor Vergata, Rome, Italy;
3. Section of Anesthesiology and Resuscitation, Department of Emergency Management and Critical Care, Tor Vergata University Hospital, Tor Vergata University Hospital, Rome, Italy