1. Division of Gynecology and Human Reproduction Physiopathology Department of Medical and Surgical Sciences IRCCS Azienda Ospedaliero‐Univeristaria di Bologna, S. Orsola Hospital University of Bologna Bologna Italy
2. Gynecology and Obstetrics Unit Department of Neuroscience, Reproductive Sciences and Dentistry School of Medicine University of Naples Federico II Naples Italy
3. Anatomic Pathology Unit Department of Advanced Biomedical Sciences School of Medicine University of Naples Federico II Naples Italy
4. Department of Medicine and Surgery University of Parma Parma Italy
5. Gynecology and Obstetrics Unit Department of Medicine, Surgery and Dentistry "Schola Medica Salernitana" University of Salerno Baronissi Italy
6. Department of Public Health School of Medicine University of Naples Federico II Naples Italy