Authors
Ewa Zieliński
Department of Emergency Medical Services, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, Poland
Piotr Dzięgielewski
Department of the Military Health Service Ministry of National Defence in Warsaw, Poland
Marek Kowalczyk
Department of General, Minimally Invasive and Old Age Surgery, University of Warmia and Mazury in Olsztyn, Poland
Gabriela Henrykowska
Medical University of Lodz, Department of Epidemiology and Public Health, Poland