1. Department of General, Minimally Invasive and Elderly Surgery, Collegium Medicum, University of Warmia and Mazury, Niepodległosci 44 St., 10-045 Olsztyn, Poland
2. Department of Economic Law and Commercial Law, Faculty of Law and Administration, University of Warmia and Mazury in Olsztyn, Obitza 1 St., 10-725 Olsztyn, Poland
3. Department of Psychology and Sociology of Health and Public Health, School of Public Health, University of Warmia and Mazury in Olsztyn, Warszawska 30 St., 11-041 Olsztyn, Poland