1. Clinical Department for Clinical and Molecular Microbiology, University Hospital Center Zagreb, 10000 Zagreb, Croatia
2. Department of Microbiology, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
3. Department of Microbiology, University Hospital Center Split, 21000 Split, Croatia
4. Cantonal Public Health Institute Zenica, 72000 Zenica, Bosnia and Herzegovina
5. Department for Sanitary Engineering, Faculty of Health Sciences, 1000 Ljubljana, Slovenia