1. Emergency Department, School of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, Poland
2. Emergency Department, Regional Specialist Hospital in Olsztyn, Poland
3. Students' Research Group, Emergency Department, School of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, Poland
4. Radiology Department, Regional Specialist Hospital in Olsztyn, Poland