1 Institute for Emergency Medicine, University Hospital Schleswig‑Holstein, Kiel, Germany; Department of Anaesthesiology, Campus Kiel, University Hospital Schleswig‑Holstein, Kiel, Germany. jan‑thorsten.graesner@uksh.de
2 Institute for Emergency Medicine, University Hospital Schleswig‑Holstein, Kiel, Germany; Division of Prehospital Services, Oslo University Hospital, Oslo, Norway
3 Institute for Emergency Medicine, University Hospital Schleswig‑Holstein, Kiel, Germany; Department of Anaesthesiology, Campus Kiel, University Hospital Schleswig‑Holstein, Kiel, Germany; School of Medicine, University of Namibia, Windhoek, Namibia