1 Forensic Medicine Department, Faculty of Medical Sciences in Katowice, Medical University of Silesia in Katowice, Poland.
2 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.
3 Department of Neonatology and Neonatal Intensive Care, Chair of Neonatology, Faculty of Medical Sciences in Katowice, Medical University of Silesia in Katowice, Poland.
4 Department of Statistics, Department of Instrumental Analysis, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Poland.