1 University Hospital Schleswig-Holstein, Institute for Emergency Medicine, Kiel, Germany; Medical University of Graz, Department of Anesthesiology and Intensive Care Medicine, Division of Anesthesiology for Cardiovascular and Thoracic Surgery and Intensive Care Medicine, Graz, Austria. Electronic address: simon.orlob@medunigraz.at.
2 Medical University of Graz, Graz, Austria.
3 Uppsala University, Department of Surgical Sciences, Section of Anesthesiology and Intensive Care, Uppsala, Sweden.
4 University Hospital Schleswig-Holstein, Institute for Emergency Medicine, Kiel, Germany; University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Kiel, Germany; University of Namibia, School of Medicine, Windhoek, Namibia.
5 University Hospital Schleswig-Holstein, Institute for Emergency Medicine, Kiel, Germany; University Hospital Schleswig-Holstein, Department of Anaesthesiology and Intensive Care Medicine, Kiel, Germany.
6 Medical University of Graz, Department of Anesthesiology and Intensive Care Medicine, Division of General Anaesthesiology, Emergency- and Intensive Care Medicine, Graz, Austria.