1. Department of Preclinical Sciences, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, 8 Ciszewskiego St., 02–786 Warsaw, Poland
2. Department of Fermentation Technology, Prof. Wacław Dąbrowski Institute of Agricultural and Food Biotechnology, 36 Rakowiecka St., 02–532 Warsaw, Poland
3. Laboratory of Veterinary Epidemiology and Economics, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, 159c Nowoursynowska St., 02–776 Warsaw, Poland
4. 4)Chair and Department of Medical Microbiology, Medical University of Warsaw, 5 Chalubinski St., 02–004 Warsaw, Poland