1. Department of Gynecology and Oncology, Jagiellonian University, Krakow, Poland;
2. Ludwin & Ludwin Gynecology, Private Medical Center, Krakow, Poland;
3. Centermed – Private Hospital and Clinic, Krakow, Poland;
4. Department of Obstetrics and Gynecology, Wright State University, Boonshoft School of Medicine, Dayton, Ohio, USA