1. DEPARTMENT OF EMERGENCY MEDICAL SERVICES, FACULTY OF HEALTH SCIENCE, MEDICAL UNIVERSITY OF WARSAW, WARSAW, POLAND; OPERATIONS CENTER, POLISH MEDICAL AIR RESCUE, POLAND
2. HEADQUARTERS, NATIONAL INSTITUTE OF PUBLIC HEALTH – NATIONAL INSTITUTE OF HYGIENE, WARSAW, POLAND; HEADQUARTERS, POLISH MEDICAL AIR RESCUE, POLAND
3. INSTITUTE OF HEALTH SCIENCES, FACULTY OF MEDICAL AND HEALTH SCIENCES, SIEDLCE UNIVERSITY OF NATURAL SCIENCES AND HUMANITIES, SIEDLCE, POLAND; OPERATIONS CENTER, POLISH MEDICAL AIR RESCUE, POLAND
4. INSTITUTE OF HEALTH SCIENCES, FACULTY OF MEDICAL AND HEALTH SCIENCES, SIEDLCE UNIVERSITY OF NATURAL SCIENCES AND HUMANITIES, SIEDLCE, POLAND
5. DEPARTMENT OF EMERGENCY MEDICINE, FACULTY OF HEALTH SCIENCES, MEDICAL UNIVERSITY OF LUBLIN, LUBLIN, POLAND, HEMS CREW, HEADQUARTERS, POLISH MEDICAL AIR RESCUE, POLAND
6. HEADQUARTERS, POLISH MEDICAL AIR RESCUE, POLAND
7. DEPARTMENT OF EMERGENCY MEDICAL SERVICES, FACULTY OF HEALTH SCIENCE, MEDICAL UNIVERSITY OF WARSAW, WARSAW, POLAND; HEADQUARTERS, POLISH MEDICAL AIR RESCUE, POLAND
8. DEPARTMENT OF PUBLIC HEALTH, FACULTY OF HEALTH SCIENCE, MEDICAL UNIVERSITY OF WARSAW, WARSAW, POLAND