1 Medical University of Innsbruck, Department of Anesthesiology and Critical Care Medicine, Innsbruck, Austria Wiener Neustadt General Hospital, Department of Anesthesiology, Emergency and Critical Care Medicine, and Karl Landsteiner Institute of Emergency Medicine, Wiener Neustadt, Austria, and OEAMTC Air Rescue, Vienna, Austria OEAMTC Air Rescue, Vienna, Austria OEAMTC Air Rescue, Vienna, Austria, and Department of Anesthesiology and Critical Care Medicine, AUVA Trauma Center, Salzburg, Austria, and Paracelsus Medical University, Salzburg, Austria, and University of Stavanger, Network for Medical Science, Stavanger, Norway Wiener Neustadt General Hospital, Department of Anesthesiology, Emergency and Critical Care Medicine, and Karl Landsteiner Institute of Emergency Medicine, Wiener Neustadt, Austria, and OEAMTC Air Rescue, Vienna, Austria, and Medical University of Vienna, Vienna, Austria.