Ewa Zieliński1), Piotr Dzięgielewski2), Marek Kowalczyk3), Gabriela Henrykowska4)
1) Department of Emergency Medical Services, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Poland
2) Department of the Military Health Service Ministry of National Defence in Warsaw, poland
3) Department of General, Minimally Invasive and Old Age Surgery, University of Warmia and Mazury in Olsztyn, Poland
4) Medical University of Lodz, Department of Epidemiology and Public Health, Poland
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