Department of Internal Medicine,School of Public Health in Bytom,Medical University of Silesia,Katowice,Poland;
Department of Molecular Biology,School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec,Medical University of Silesia,Katowice,Poland;
Chair of General,Colorectal and Polytrauma Surgery,Department of Propaedeutics Surgery,Medical University of Silesia,Katowice,Poland;