1. 1Department of Biochemistry, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
2. 2Department of Gynaecology and Obstetrics, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland
3. 3Department of Internal Medicine and Oncological Chemotherapy, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland