KATARZYNA OBSZAŃSKA1, IZABELLA KERN-ZDANOWICZ1, ALEKSANDRA KOZIŃSKA2, KATARZYNA MACHURA3, ELŻBIETA STEFANIUK2,4, WALERIA HRYNIEWICZ2,4 and IZABELA SITKIEWICZ3* 1 Department of Microbial Biochemistry, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, Poland 2 Department of Epidemiology and Clinical Microbiology, National Medicines Institute, Warsa...