1. Department of Medical and Surgical Sciences for Mother, Child and Adult, Obstetrics and Gynecology Unit, University of Modena and Reggio Emilia, Azienda Ospedaliero Universitaria Policlinico, 41125 Modena, Italy
2. Department of Pathology, Azienda Ospedaliero Universitaria Policlinico, University of Modena and Reggio Emilia, 41125 Modena, Italy
3. Di Fraia Laboratori s.r.l., 00034 Colleferro, Italy
4. UniCamillus-Saint Camillus International University of Health Sciences, 00131 Rome, Italy