1. Department of Anesthesiology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
2. Department of Surgery, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
3. Trauma Research Unit Department of Surgery, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
4. Department of Anesthesiology, Radboud University Medical Center, Nijmegen, the Netherlands
5. Helicopter Emergency Medical Service Lifeliner 3, Nijmegen, the Netherlands
6. Department of Neurology, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands
7. Department of Anesthesiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
8. Department of Neurosurgery, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
9. Helicopter Emergency Medical Service Lifeliner 1, Amsterdam, the Netherlands
10. for the BRAIN-PROTECT collaborators