Authors
Paweł Jastrzębski
University of Warmia and Mazury, School of Public Health, Department of Medical Rescue, Olsztyn, Poland
Jadwiga Snarska
University of Warmia and Mazury, School of Public Health, Department of Surgery, Olsztyn, Poland
Lucjan Samson
Medical University Gdańsk, Department of Orthopedic and Traumatology, Poland