1. Department of Infectious DiseasesJan Kochanowski University Kielce Poland
2. Department of Infectious Diseases and HepatologyMedical University of Silesia Katowice Poland
3. Department of Infectious Diseases and HepatologyMedical University Wrocła Wrocław Poland
4. Pomeranian Center of Infectious DiseasesMedical University Gdańsk Gdańsk Poland
5. Department of Infectious DiseasesMedical University of Lublin Lublin Poland
6. Department of Infectious and Tropical DiseasesJagiellonian University Kraków Poland
7. Department of Basic Medical Sciences, ID Clinic, Hepatology Outpatient Department, School of Public Health in BytomMedical University of Silesia Bytom Poland
8. Department of Infectious Diseases and Hepatology, Ludwik Rydygier Collegium Medicum in Bydgoszcz Faculty of MedicineNicolaus Copernicus University Toruń Poland
9. Clinical Department of Infectious DiseasesMedical University of Silesia Katowice Poland
10. Department of Infectious Diseases and HepatologyMedical University of Białystok Białystok Poland
11. Hospital for Infectious Diseases in Warsaw Warsaw Poland
12. Department of Infectious Diseases, Hepatology and Liver TransplantationPomeranian Medical University Szczecin Poland
13. Department of Internal Medicine and Hepatology, Central Clinical Hospital of the Ministry of Internal Affairs and Administration Warsaw Poland
14. Department of Infectious Diseases and HepatologyMedical University of Łódź Łódź Poland
15. Regional Center for Diagnosis and Treatment of Viral Hepatitis and Hepatology Kraków Poland
16. MED.‐FIX Wrocław Poland
17. Department of Transplantation Medicine, Nephrology, and Internal DiseasesMedical University of Warsaw Warszawa Poland
18. Ward of Infectious Diseases and Hepatology, Biegański Regional Specialist Hospital Łódź Poland
19. Department of Infectious and Liver DiseasesMedical University of Łódź Łódź Poland
20. Multidisciplinary Regional Hospital Gorzów Wielkopolski Poland