1. 2nd Unit of Obstetrics and Gynecology; Department of Biomedical and Human Oncological Science (DIMO); University of Bari; Bari Italy
2. Institute of Obstetrics and Gynecology; Department of Medical and Surgical Sciences; University of Foggia; Foggia Italy
3. Department of Obstetrics and Gynecology; Brindisi Italy
4. Department of Women and Children's Health; Unit of Gynecology and Obstetrics; University of Padua; Padua Italy
5. Institute of Microbiology; Department of Biomedical and Human Oncological Science (DIMO); University of Bari; Bari Italy
6. Institute of Pathology; Department of Biomedical and Human Oncological Science (DIMO); University of Bari; Bari Italy