1. DEPARTMENT OF EMERGENCY MEDICINE, FACULTY OF HEALTH SCIENCES, UNIVERSITY OF BIELSKO-BIALA, BIELSKO-BIALA, POLAND; EUROPEAN PREHOSPITAL RESEARCH NETWORK, UNITED KINGDOM
2. DEPARTMENT OF EMERGENCY MEDICINE, FACULTY OF HEALTH SCIENCES, UNIVERSITY OF BIELSKO-BIALA, BIELSKO-BIALA, POLAND
3. EUROPEAN PREHOSPITAL RESEARCH NETWORK, UNITED KINGDOM; EAST MIDLANDS AMBULANCE SERVICE NHS TRUST, CLIFTON EDUCATION & DEVELOPMENT CENTRE, NOTTINGHAM, UNITED KINGDOM
4. DEPARTMENT OF NURSING, CATHOLIC UNIVERSITY OF VALENCIA, VALENCIA, SPAIN
5. DEPARTMENT OF BIOCHEMISTRY AND MOLECULAR BIOLOGY, FACULTY OF HEALTH SCIENCES, UNIVERSITY OF BIELSKO-BIALA, BIELSKO-BIALA, POLAND
6. DEPARTMENT OF PUBLIC HEALTH, FACULTY OF HEALTH SCIENCES, UNIVERSITY OF BIELSKO-BIALA, BIELSKO-BIALA, POLAND