1 Department of Infectious Diseases, Liver Diseases and Acquired Immune Deficiencies, Wroclaw Medical University, Wrocław, Poland. hubert.cieplucha@umw.edu.pl
2 Faculty of Medicine, Wroclaw Medical University, Wrocław, Poland
3 Department of Infectious Diseases, Liver Diseases and Acquired Immune Deficiencies, Wroclaw Medical University, Wrocław, Poland
4 Department of Gastroenterology, Melita Medical, Wrocław, Poland