1. Academic Department of Biomedicine and Prevention, Section of Gynecology and Obstetrics; Tor Vergata University; Rome Italy
2. Clinical Department of Surgery, Division of Gynecology and Obstetrics; University Hospital Policlinico Tor Vergata; Rome Italy
3. Department of Obstetrics and Gynecology, Grand Rapids Medical Education Partners; Michigan State University; Grand Rapids Michigan USA
4. Laboratory of Biometry, Department of Systems Medicine; Tor Vergata University; Rome Italy