1. Assistant Professor, Dept. of Environmental Biotechnology, Univ. of Warmia and Mazury in Olsztyn, Sloneczna St. 45G, 10-709, Olsztyn, Poland (corresponding author).
2. Associate Professor, Dept. of Environmental Engineering, Univ. of Warmia and Mazury in Olsztyn, Warszawska St. 117, 10-719, Olsztyn, Poland.