1. 54186 Institute for Emergency Medicine, University Hospital Schleswig Holstein , Kiel , Schleswig-Holstein , Germany
2. Department of Anesthesiology and Intensive Care Medicine , University Hospital Schleswig-Holstein , Kiel , Germany
3. Scientific Working Group Emergency Medicine of the German Society of Anesthesiology and Intensive Care Medicine (DGAI) , Nuremberg , Germany
4. School of Medicine , University of Namibia , Windhoek , Namibia