1. Department of Infectious Diseases and Hepatology, Medical University of Bialystok, Bialystok, Poland
2. Department of Infectious Diseases and Hepatology, Division of Laboratory Diagnostics, Medical University of Lublin, Lublin, Poland
3. Department of Infectious Diseases and Hepatology, Nicolaus Copernicus University, Torun, Poland
4. Department of Biochemical Diagnostics, Medical University of Bialystok, Bialystok, Poland
5. Department of Biochemical Diagnostics, Division of Laboratory Diagnostics, Medical University of Lublin, Lublin, Poland
6. Department of Laboratory Medicine, Nicolaus Copernicus University, Torun, Poland