1. Department of Pediatrics Sørlandet Hospital Arendal Norway
2. Institute of Clinical Medicine University of Oslo Oslo Norway
3. Department of Neurology Sørlandet Hospital Kristiansand Norway
4. Department of Clinical Medicine University of Bergen, Bergen Norway
5. Department of Habilitation Sørlandet Hospital Kristiansand Norway
6. The Norwegian National Advisory Unit on Tick‐borne diseases Kristiansand Norway
7. Division of Radiology and Nuclear Medicine, Oslo University Hospital Oslo Norway
8. Department of Neurology Oslo University Hospital Oslo Norway
9. Department of Health and Nursing Sciences University of Agder Kristiansand Norway