1 Department of General, Minimally Invasive and Elderly Surgery, Collegium Medicum, University of Warmia and Mazury, Niepodległości 44 St., 10-045, Olsztyn, Poland. natalia.dowgiallo@gmail.com.
2 Department of Family Medicine and Infectious Disease, Collegium Medicum, University of Warmia and Mazury, Warszawska 30 St., 10-082, Olsztyn, Poland.
3 Department of General, Minimally Invasive and Elderly Surgery, Collegium Medicum, University of Warmia and Mazury, Niepodległości 44 St., 10-045, Olsztyn, Poland.