1. Preventive Gynecology Unit, Division of Gynecology; European Institute of Oncology; Milan; Italy
2. Department of Obstetrics and Gynecology; San Gerardo Hospital; Monza; Italy
3. Oncogynecological Center, Department of Obstetrics and Gynecology; General Faculty Hospital, Charles University; Prague; Czech Republic
4. Department of Obstetrics and Gynecology; University of Cagliari; Cagliari; Italy
5. Department of Obstetrics and Gynecology; Catholic University of Sacred Heart; Rome; Italy
6. Department of Obstetrics and Gynecology; University Hospitals, Katholieke Universiteit Leuven; Leuven; Belgium
7. Department of Obstetrics and Gynecology; Skane University Hospital Malmö, Lund University; Malmö; Sweden