1. Local Health Authority of Reggio Emilia; Division of Obstetrics and Gynecology; Cesare Magati Hospital; Scandiano Italy
2. Cervical Cancer Screening Centre; IRCCS-Arcispedale Santa Maria Nuova; Reggio Emilia Italy
3. Mother-Infant Department; Institute of Obstetrics and Gynecology; University of Modena and Reggio Emilia; Modena Italy