1. Department of Infectious Diseases and Hepatology Medical University of Lodz Lodz Poland
2. Department of Infectious Diseases Liver Diseases and Acquired Immune Deficiencies Wroclaw Medical University Wroclaw Poland
3. Department of Psychology SWPS University of Social Sciences and Humanities Warszawa Poland
4. Department of Adults' Infectious Diseases Hospital for Infectious DiseasesMedical University of Warsaw Warsaw Poland
5. Department of Infectious Diseases Jagiellonian University Medical College Cracow Poland
6. Outpatient Clinic for AIDS Diagnostics and Therapy Specialistic Hospital Chorzow Poland
7. Department of Infectious Diseases Gdansk Medical University Gdansk Poland
8. Faculty of Medicine Department of Infectious Diseases and Hepatology Nicolaus Copernicus University Ludwik Rydygier Collegium Medicum in Bydgoszcz Bydgoszcz Poland
9. Department of Infectious and Tropical Diseases and Immune Deficiency Pomeranian Medical University Szczecin Poland
10. Department of Infectious Diseases and Neuroinfections Medical University of Bialystok Bialystok Poland
11. Department of Infectious Diseases Medical University in Lublin Lublin Poland
12. Department of Infectious and Tropical Diseases and Hepatology Medical University of Warsaw Warsaw Poland
13. Clinical Division of Infectious Diseases University of Warmia and Mazury in Olsztyn Olsztyn Poland
14. Foundation of Social Education (FES) Warsaw Poland
15. Department of Adults' Infectious Diseases Medical University of Warsaw Warsaw Poland