1. 2nd Department of General, Gastrointestinal Surgery and Surgical Oncology of the Alimentary Tract, Medical University of Lublin, 20-081 Lublin, Poland
2. Chair and Department of Didactics and Medical Simulation, Medical University of Lublin, 20-093 Lublin, Poland
3. Department of Experimental Immunology, Medical University of Lublin, 20-093 Lublin, Poland
4. Department of Pharmaceutical Microbiology, Medical University of Lublin, 20-093 Lublin, Poland
5. 1st Department of General and Transplant Surgery and Clinical Nutrition, Medical University of Lublin, 20-090 Lublin, Poland