1 Chaiir and Department of Gastroenterology and Hepatology, School of Medicine in Katowice, Medical University of Silesia, Medyków 14 Street, 40-752, Katowice, Poland. [email protected].
3 Chaiir and Department of Gastroenterology and Hepatology, School of Medicine in Katowice, Medical University of Silesia, Medyków 14 Street, 40-752, Katowice, Poland.
4 H-T. Centrum Medyczne, Tychy, Poland.
5 Endoscopy Unit, District Hospitals of Chorzów Trust, Chorzów, Poland.
6 Department of Anatomy, Jagiellonian University Medical College, Cracow, Poland.
7 Department of Pathomophology and Molecular Diagnostic, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland.
8 Department of Pathomophology, Zakład Diagnostyki Mikroskopowej, Dr Krzysztof Januszewski, Ruda Śląska, Poland.
9 Department of Pathomophology, District Hospitals of Chorzów Trust, Chorzów, Poland.