ANNA ZAWISTOWSKA-ROJEK1,2, TOMASZ ZARĘBA1, AGNIESZKA MRÓWKA1 and STEFAN TYSKI1,2 1Department of Antibiotics and Microbiology, National Medicines Institute, Warsaw, Poland 2Department of Pharmaceutical Microbiology, Medical University of Warsaw, Warsaw, Poland *Corresponding author: A. Zawistowska-Rojek, Department of Antibiotics and Microbiology, National Medicines Insti...