1. Department of Adults’ Infectious Diseases; Medical University of Warsaw; Warsaw Poland
2. Hospital for Infectious Diseases; HIV Out-Patient Clinic; Warsaw Poland
3. Hospital for Infectious Diseases; Warsaw Poland
4. Infectious Diseases and Clinical Microbiology; Ege University Medical Faculty; Izmir Turkey
5. Department of Infectious and Tropical Diseases; Hospital Na Bulovce; Prague Czech Republic
6. Department of Infectious Diseases; University Medical Center Ljubljana; Ljubljana Slovenia
7. Lviv Regional Public Health Center; Lviv Ukraine
8. Department of Infectious Diseases and Geographical Medicine; University Hospital; Bratislava Slovakia
9. Clinic for Infectious Diseases; Clinical Center of Sarajevo University; Sarajevo Bosnia and Herzegovina
10. Clinic of the Gromahevsky Institute of Epidemiology and Infectious Diseases; Kiev Ukraine