1. Department of Neurology Akershus University Hospital Lørenskog Norway
2. Department of General Practice HELSAM, University of Oslo Oslo Norway
3. FORMI, Oslo University Hospital Oslo Norway
4. Department of Neurology Oslo University Hospital Oslo Norway
5. Division of Clinical Neuroscience, Department of Research, Innovation and Education Oslo University Hospital Oslo Norway
6. Research Centre Akershus University Hospital Lørenskog Norway