1 Department of Internal Medicine/Gastroenterology of the University Hospital Brno and Faculty of Medicine, Masaryk University Brno, Brno; Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic. . pdite.epc@gmail.com.
2 Department of Internal Medicine and Cardiology of the University Hospital Ostrava and Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic.
3 Department of Internal Medicine/Gastroenterology of the University Hospital Brno and Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic.
4 2 nd Department of Internal Medicine of the St. Anne´s University Hospital Brno and Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic.
5 2 nd Department of Internal Medicine of the St. Anne´s University Hospital Brno and Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic. bohuslav.kianicka@fnusa.cz.