1. Independent Public Health Care Center RM-MEDITRANS Emergency Station and Sanitary Transport in Siedlce, Siedlce, Poland
2. Department of Surgery, Collegium Medicum University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
3. Department of Emergency Medical Service, Medical University of Warsaw, Warsaw, Poland
4. Department of Public Health, Medical University of Bialystok, Bialystok, Poland
5. Faculty of Medical and Health Sciences, University of Siedlce, Siedlce, Poland
6. Department of Emergency Medical Service, Collegium Medicum, University of Warmia and Mazury, Olsztyn, Poland