1. Department of Psychiatry, University Hospital Bonn, Bonn, Germany
2. Department of Epileptology, University Hospital Bonn, Bonn, Germany
3. Department of Neurology, Oslo University Hospital, Nydalen, Norway
4. Faculty of Medicine, University of Oslo, Oslo, Norway
5. Neuroscience Research Group and Department of Neurology, Stavanger University Hospital, Stavanger, Norway