1. Sarajevo School of Science and Technology Sarajevo Medical School, Sarajevo, Bosnia and Herzegovina
2. Department of Infectious Disease Epidemiology, Institute for Public Health of the Federation of Bosnia and Herzegovina, Sarajevo, Bosnia and Herzegovina
3. Faculty of Health Studies, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
4. Unit for Clinical Microbiology, Clinical Centre of the University of Sarajevo, Sarajevo, Bosnia and Herzegovina
5. Department of Epidemiology, Institute for Public Health of Tuzla Canton, Tuzla, Bosnia and Herzegovina
6. Faculty of Medicine, University of Tuzla, Tuzla, Bosnia and Herzegovina
7. Department of Microbiology, Polyclinic for Laboratory Diagnostics, University Clinical Centre Tuzla, Tuzla, Bosnia and Herzegovina
8. Department of Epidemiology, Institute for Public Health of Sarajevo Canton, Sarajevo, Bosnia and Herzegovina