1. Department of Forensic Medicine and Forensic Toxicology; Medical University of Silesia; Medyków 18 Street; 40-752; Katowice; Poland
2. Department of Histology and Embryology; Medical University of Silesia; Medyków 18 Street; 40-752; Katowice; Poland
3. Department of Laboratory Diagnostics; Institute of Occupational Medicine and Environmental Health; Kościelna 13 Street; 41-200; Sosnowiec; Poland