1. DEPARTMENT OF PUBLIC HEALTH & SOCIAL MEDICINE, MEDICAL UNIVERSITY OF GDANSK, GDANSK, POLAND
2. DEPARTMENT OF MEDICAL RESCUE, MEDICAL UNIVERSITY OF GDANSK, GDANSK, POLAND
3. POMERANIAN ACADEMY IN SLUPSK, INSTITUTE OF MEDICAL SCIENCES, DEPARTMENT OF EMERGENCY MEDICINE, SLUPSK, POLAND
4. FACULTY OF HEALTH SCIENCES WITH THE INSTITUTE OF MARITIME AND TROPICAL MEDICINE, MEDICAL UNIVERSITY OF GDANSK, GDANSK, POLAND