1. Department of Neurology, Sørlandet Hospital Trust, Kristiansand, Norway;
2. The Norwegian National Advisory Unit on Tick-borne Diseases, Sørlandet Hospital Trust, Arendal, Norway;
3. Department of Clinical Medicine, University of Bergen, Bergen, Norway;
4. Department of Engineering and Science, University of Agder, Kristiansand, Norway;
5. Research Unit, Sørlandet Hospital Trust, Kristiansand, Norway;
6. Department of Medical Microbiology, Sørlandet Hospital Trust, Kristiansand, Norway