1. Obstetrics and Gynecology Unit, Policlinico di Modena University of Modena and Reggio Emilia Modena Italy
2. Fondazione IRCCS Istituto Nazionale dei Tumori Milan Italy
3. Unit of Obstetrics and Gynecology, Department of Biomedical Sciences and Human Oncology Policlinico Hospital “Aldo Moro” University of Bari Bari Italy