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1 Department of Emergency Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
2 Department of Radiology, Medical Imaging Center, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
3 Department of Emergency Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Kent, Surrey and Sussex Air Ambulance Trust, Redhill, Surrey, United Kingdom.
1 Department of Emergency Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
2 Department of Radiology, Medical Imaging Center, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.
3 Department of Emergency Medicine, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands; Kent, Surrey and Sussex Air Ambulance Trust, Redhill, Surrey, United Kingdom.