1. Department of Clinical Microbiology, University Hospital for Infectious Diseases, Zagreb, Croatia.
2. Department of Clinical Microbiology and Hospital Infections, Dubrava University Hospital, Zagreb, Croatia.
3. Department of Clinical Microbiology and Hospital Infections, Clinical Hospital “Sveti Duh,” Zagreb, Croatia.
4. Department of Medical Microbiology, Public Health Institute of County Varaždin, Varaždin, Croatia.