1. Research Unit on Brain Injury Rehabilitation, Department of Neurorehabilitation/TBI Unit, Rigshospitalet, Copenhagen, Denmark
2. Department of Anaesthesia, Rigshospitalet, Copenhagen, Denmark
3. Department of Neuroscience and Pharmacology, University of Copenhagen, Copenhagen, Denmark
4. Department of Clinical Physiology, Nuclear Medicine and PET, Rigshospitalet, Copenhagen, Denmark
5. Coordinating Research Centre, Bispebjerg & Frederiksberg Hospital, Frederiksberg, Denmark