1. Regional Development Center of Communicable Diseases Surveillance and Control, Institute of Public Health, Tirana, Albania
2. Faculty of Medicine, University of Sarajevo, Bosnia and Hercegovina
3. Ministry of Health, Sofia, Bulgaria
4. National Institute of Public Health, Podgorica, Montenegro
5. National Institute of Public Health, Zagreb, Croatia
6. Institute of Public Health, Bucharest, Romania
7. Institute of Public Health, Belgrade, Serbia
8. Institute of Health Protection, Skopje, Macedonia
9. Ministry of Health, Chiçinu, Moldova
10. Ministry of Health, Skopje, Macedonia