1. Department of Infectious Diseases, Medical University of Lublin, Lublin, Poland
2. Department of Infectious Diseases and Hepatology, Medical University of Lodz, Lodz, Poland
3. Department of Infectious Diseases and Hepatology, Wroclaw Medical University, Wroclaw, Poland
4. Department of Infectious, Tropical Diseases and Immune Deficiency, Pomeranian Medical University, Szczecin, Poland
5. Department of Infectious Diseases and Hepatology, Medical University of Bialystok, Bialystok, Poland
6. Department of Infectious Diseases, Voivodeship Hospital and Jan Kochanowski University, Kielce, Poland
7. Department of Adults’ Infectious Diseases, Medical University of Warsaw, Warsaw, Poland