1. Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
2. Ljubljana University Medical Center, 1000 Ljubljana, Slovenia
3. Division of Gynecology and Obstetrics, Ljubljana University Medical Center, 1000 Ljubljana, Slovenia
4. Department of Gynecology and Obstetrics, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
5. Independent Researcher, Zanzna s.p., 1000 Ljubljana, Slovenia