Department of Gastroenterology;
Central Military Hospital and 1~(st) Medical Faculty of Charles University;
Prague;
Czech Republic Laboratory for Molecular Genetics and Oncology;
Genomac International Ltd.;
Prague;
Czech Republic Department of Gastroenterology;
Institute for Postgraduate Medical Education;
Prague;
Czech Republic;
Laboratory for Molecular Genetics and Oncology;
Genomac International Ltd.;
Prague;
Czech Republic;
Department of Gastroenterology;
Central Military Hospital and 1~(st) Medical Faculty of Charles University;
Prague;
Czech Republic Department of Gastroenterology;
Institute for Postgraduate Medical Education;
Prague;
Czech Republic;
Department of Gastroenterology;
Central Military Hospital and 1~(st) Medical Faculty of Charles University;
Prague;
Czech Republic;
Department of Surgery;
Central Military Hospital and 2nd Medical Faculty of Charles University;
Prague;
Czech Republic;
Department of Pathology;
Central Military Hospital;
Prague;
Czech Republic;