1. Department of Cardiothoracic Anaesthesiology Heart Centre, Rigshospitalet, University of Copenhagen Copenhagen Denmark
2. Department of Anaesthesia Centre of Head and Orthopedics, Rigshospitalet, University of Copenhagen Copenhagen Denmark
3. The Research Unit for General Practice and Section of General Practice, Department of Public Health University of Copenhagen Copenhagen Denmark
4. Department of Radiology Diagnostic Centre, Rigshospitalet, University of Copenhagen Copenhagen, Copenhagen Denmark
5. Neurobiology Research Unit Neuroscience Centre, Rigshospitalet, University of Copenhagen Copenhagen Denmark