1. Department of Perinatology and Women’s Diseases, Poznan University of Medical Sciences, 60-535 Poznan, Poland
2. Department of Gynecological Oncology, Military Institute of Medicine, 04-141 Warsaw, Poland
3. Department of Gynecology and Oncology, Jagiellonian University Medical College, 31-501 Krakow, Poland
4. Department of Gynecological Surgery and Gynecological Oncology of Adults and Adolescents, Pomeranian Medical University, 70-204 Szczecin, Poland
5. Gynecological Oncology Center Poznań, Poznanska 58A, 60-850 Poznan, Poland
6. Department of Obstetrics, Gynecology and Gynecological Oncology, Medical University of Warsaw, 02-091 Warsaw, Poland