1. Department of Public Health, Medical University of Lublin, 1 Chodźki Street, 20-093 Lublin, Poland
2. General Surgery Department, SP ZOZ in Leczna, 52 Krasnystawska Street, 21-010 Leczna, Poland
3. Department of Experimental Immunology, Medical University of Lublin, 4a Chodźki Street, 20-093 Lublin, Poland
4. Department of Anesthesiology and Intensive Care, SP ZOZ in Leczna, 52 Krasnystawska Street, 21-010 Leczna, Poland
5. Department of General and Oncological Surgery, Faculty of Medicine, Medical University of Lodz, 251 Street, 92-213 Lodz, Poland