1. Department of Anaesthesia, Centre of Head and Orthopaedics, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;
2. Trauma Center and Acute Admission, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;
3. Department of Public Health, Section of Social Medicine, University of Copenhagen, Copenhagen, Denmark;
4. Rigshospitalet, Clinic of Neurorehabilitation, TBI Unit, University of Copenhagen, Hvidovre, Denmark