1. Institute of Public Health of Vojvodina Novi Sad Serbia
2. Faculty of Medicine University of Novi Sad Novi Sad Serbia
3. Clinic for Infectious Diseases Clinical Centre of Vojvodina Novi Sad Serbia
4. Andrija Stampar Teaching Institute of Public Health Zagreb Croatia
5. Institute of Public Health of Montenegro Podgorica Montenegro
6. Institute of Virology, Vaccines, and Serums ‘Torlak’ Belgrade Serbia
7. Medical School University of Tuzla Tuzla Bosnia and Herzegovina
8. Public Health Institute of the Republic of Srpska Banja Luka Bosnia and Herzegovina
9. Laboratory of Entomology Department of Epidemiology PHO Center for Public Health Skopje North Macedonia