1. Department of Obstetrics and Gynecology Didactics, Medical University of Warsaw, Warsaw, Poland
2. Students’ Scientific Association of Midwives at Department of Obstetrics and Gynecology Didactics, Medical University of Warsaw, Warsaw, Poland
3. St. Sophia’s Specialist Hospital, Żelazna Medical Center, Warsaw, Poland
4. The Chair and Department of Oral Surgery, Medical University of Lublin, Lublin, Poland