1. Department of Infectious Diseases and Hepatology, Medical University of Lodz, Łódź, Poland
2. Department for outpatients, Hospital for Infectious Diseases in Warsaw, Warsaw, Poland
3. Clinical Department of Infectious Diseases, Medical University of Silesia, Katowice, Poland
4. Department of Infectious and Tropical Diseases, Collegium Medicum, Jagiellonian University, Kraków, Poland
5. Department of Infectious Diseases and Hepatology, Medical University of Białystok, Białystok, Poland
6. Department of Infectious Diseases, Pomeranian Center of Infectious Diseases, Medical University of Gdansk, Gdansk, Poland
7. Department of Infectious Diseases and Hepatology, Faculty of Medicine, Nicolaus Copernicus University, Bydgoszcz, Poland
8. Department of Basic Medical Sciences, Faculty of Public Health, Medical University of Silesia, Katowice, Poland
9. Department of Infectious Diseases and Hepatology, Wroclaw Medical University of Medicine, Wrocław, Poland
10. MedicalSpec Medical Center, Wrocław, Poland
11. Department of Infectious, Tropical Diseases and Acquired Immunodeficiency, Pomeranian Medical University, Szczecin, Poland
12. Department of Infectious Diseases, Medical University of Lublin, Lublin, Poland