1. EMERGENCY MEDICAL DEPARTMENT, JOHN PAUL II UNIVERSITY IN BIALA PODLASKA, BIAŁA PODLASKA, POLAND
2. DEPARTMENT OF GERIATRIC NURSING, FACULTY OF HEALTH SCIENCES, MEDICAL UNIVERSITY OF WARSAW, WARSAW, POLAND
3. STATE FIRE SERVICE, STATE FIRE SERVICE, DZIERZONIOW, POLAND
4. DEPARTMENT OF NEPHROLOGY NURSING, FACULTY OF HEALTH SCIENCES, MEDICAL UNIVERSITY OF WARSAW, WARSAW, POLAND