1. Faculty of Chemistry; University of Wrocław; ul. F. Joliot-Curie 14; 50-383; Wrocław; Poland
2. Faculty of Chemistry; Jagiellonian University; ul. R. Ingardena 3; 30-060; Kraków; Poland
3. Department of Veterinary Microbiology; Wroclaw University of Environmental and Life Sciences; ul. Norwida 31; 50-375; Wrocław; Poland