1. First Department of Obstetrics and Gynaecology, Alexandra Hospital, National and Kapodistrian University of Athens, 2 Lour Street, 11522 Athens, Greece
2. "Erifyle" K.E.F.I. Gynecological Cancer Advocacy Group, 11526, Athens, Greece
3. Department of Obstetrics and Gynaecology, Third Faculty of Medicine, Charles University, Faculty Hospital Kralovske Vinohrady, 11000 Prague, Czech Republic
4. N.N.Petrov Research Institute of Oncology, 197758 St. Petersburg, Russia
5. Gynecologic Oncology Unit, La Paz University Hospital-IdiPAZ, 28046 Madrid, Spain
6. Department of Obstetrics and Gynaecology, Hacettepe University Faculty of Medicine, Ankara 06230, Turkey
7. Department of Surgery and Cancer, Gynaecologic Oncology, Imperial College London, London W12 0HS, UK