1. Department of Infectious Diseases and Hepatology, Medical University of Łódź, Łódź, Poland
2. Department of Infectious and Tropical Diseases, Collegium Medicum, Jagiellonian University, Kraków, Poland
3. Clinical Department of Infectious Diseases, Medical University of Silesia, Chorzów, Poland
4. Department of Infectious Diseases and Hepatology, Medical University of Silesia in Katowice, Bytom, Poland
5. Department of Infectious Diseases and Hepatology, Medical University of Białystok, Białystok, Poland
6. Department of Infectious Diseases and Hepatology, Wrocław University of Medicine, Wrocław, Poland
7. Department of Infectious Diseases, Pomeranian Center of Infectious Diseases, Medical University of Gdańsk, Gdańsk, Poland
8. Department of Infectious Diseases and Hepatology, Faculty of Medicine, Nicolaus Copernicus University, Bydgoszcz, Poland
9. Medical Center, MEDFIX, Wrocław, Poland
10. Hospital for Infectious Diseases, Warsaw Medical University, Warszawa, Poland
11. Department of Infectious Diseases, Medical University of Lublin, Lublin, Poland
12. School of Public Health in Bytom, Department of Basic Medical Sciences, Bytom; ID Clinic, Hepatology Outpatient Department, Medical University of Silesia, Mysłowice, Poland
13. Department of Infectious Diseases, Hepatology and Liver Transplantation, Pomeranian Medical University, Szczecin, Poland
14. Department of Infectious, Tropical Diseases and Acquired Immunodeficiency, Pomeranian Medical University, Szczecin, Poland
15. Department of Infectious Disease, Voivodeship Hospital, Jan Kochanowski University, Kielce, Poland
16. Regional Center for Diagnosis and Treatment of Viral Hepatitis and Hepatology, John Paul II Hospital, Kraków, Poland
17. Ward of Infectious Diseases and Hepatology, Bieganski Regional Specialist Hospital, Łódź, Poland
18. NZOZ Gemini, Infectious Diseases and Hepatology Outpatient Clinic, Żychlin, Poland
19. Department of Internal Medicine and Hepatology, Central Clinical Hospital of Internal Affairs and Administration, Warszawa, Poland
20. Regional Hospital, Olsztyn, Poland