1 Department of Infectious Diseases and Neuroinfections, Medical University of Białystok.
2 Department of Infectious Diseases, Jagiellonian University Collegium Medicum in Krakow.
3 Department and Clinical Department of Infectious Diseases and Hepatology, Medical University of Silesia in Katowice.
4 Department of Infectious Diseases of Children, Medical University of Warsaw.
5 Department of Infectious Diseases and Hepatology, Collegium Medicum. Ludwik Rydygier Medical Collegium in Bydgoszcz, Nicolaus Copernicus University in Toruń, Bydgoszcz.
6 Department of Infectious Diseases and Hepatology, Medical University of Lodz.
7 Department of Tropical and Parasitic Diseases, Department of Tropical Medicine and Parasitology - National Center for Tropical Medicine, Medical University of Gdańsk.
8 Department of Infectious Diseases and Hepatology, Medical University of Warsaw Silesian Piasts in Wrocław.
9 Department and Clinic of Infectious Diseases, Medical University of Lublin.
10 Department of Infectious Diseases and Allergology, Collegium Medicum, Jan Kochanowski University in Kielce.
11 Department of Infectious Diseases and Hepatology, Medical University of Białystok.