1 Department of Digestive Tract Surgery, Faculty of Medical Science, Medical University of Silesia, Katowice, Poland
2 Department of Internal Medicine, Allergology and Clinical Immunology, Faculty of Medical Science, Medical University of Silesia, Katowice, Poland
3 Department of Internal, Autoimmune and Metabolic Diseases, Faculty of Medical Science, Medical University of Silesia, Katowice, Poland
4 Department of Pathomorphology and Molecular Diagnostics, Faculty of Medical Science, Medical University of Silesia, Katowice, Poland
5 Department of Internal, Autoimmune and Metabolic Diseases, Faculty of Medical Science, Medical University of Silesia, Katowice, Poland. [email protected]