1 Chair and Department of Gynecology, Obstetrics and Gynecological Oncology, Faculty of Health Science in Katowice, Medical University of Silesia in Katowice, Poland. cor111@poczta.onet.pl.
2 Chair and Department of Gynecology, Obstetrics and Gynecological Oncology, Faculty of Health Science in Katowice, Medical University of Silesia in Katowice, Poland.