1. Independent Public Health Care Center RM-MEDITRANS Emergency Station and Sanitary Transport in Siedlce, 08-110 Siedlce, Poland
2. Department of Emergency Medical Service, Medical University of Warsaw, 02-097 Warsaw, Poland
3. Department of Surgery, Collegium Medicum, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland
4. Department of Emergency Medical Service, Collegium Medicum, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland