1 Department of Neuroanaesthesiology, The Neuroscience Centre, Copenhagen University Hospital, Copenhagen, Denmark
2 Department of Neurosurgery, The Neuroscience Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
3 Centre for Genomic Medicine, The Diagnostic Centre, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
4 Present address: Department of Clinical Biochemistry, Naestved Sygehus, Naestved, Denmark
