1. Institute of Hygiene, Microbiology and Tropical Medicine, National Reference Centre for Nosocomial Infections and Antimicrobial Resistance, Ordensklinikum Linz - Elisabethinen, Linz, Austria
2. AGES - Austrian Agency for Health and Food Safety, Institute of Medical Microbiology and Hygiene, Vienna, Austria
3. Johannes Kepler University, Linz, Austria