1. Hospital for Infectious Diseases HIV Out‐Patient's Clinic Warsaw Poland
2. Department for Adults Infectious Diseases Medical University of Warsaw Warsaw Poland
3. Department of Infectious, Tropical Diseases and Immune Deficiency Pomeranian Medical University Szczecin Poland
4. Regional Hospital Out‐Patient's Clinic for Immune Deficiency Chorzów Poland
5. Department of Infectious Diseases Jagiellonian University Medical College Kraków Poland
6. Department of Infectious Diseases, Hepatology and Acquired Immune Deficiencies Wroclaw Medical University Wrocław Poland
7. Department of Infectious Diseases and Hepatology Medical University of Łódź Łódź Poland
8. Pomeranian Center of Infectious Diseases and Tuberculosis in Gdańsk HIV Outpatient Clinic Gdańsk Poland
9. Department of Infectious Diseases and Hepatology Nicolaus Copernicus University Collegium Medicum in Bydgoszcz Bydgoszcz Poland
10. Department of Infectious Diseases and Hepatology Medical University of Bialystok Bialystok Poland
11. Department of Infectious and Tropical Diseases and Hepatology Medical University in Warsaw Warsaw Poland
12. Department of Infectious Diseases Regional Hospital in Zielona Góra Zielona Góra Poland
13. Department of Infectious Diseases Medical University in Lublin Lublin Poland
14. Clinical Ward of Infectious Diseases Collegium Medicum University of Warmia and Mazury in Olsztyn Olsztyn Poland
15. Department of Infectious Diseases Regional Hospital in Opole Opole Poland