| Affiliation: | 1. Department of Neurology, Stavanger University Hospital, , Stavanger, Norway;2. Norwegian Centre of Movement Disorders, Stavanger University Hospital, , Stavanger, Norway;3. Department of Neurology Norwegian, Multiple Sclerosis Competence Centre, Haukeland University Hospital, , Bergen, Norway;4. Department of Clinical Medicine, KG Jebsen MS‐research Centre, Haukeland University Hospital, , Bergen, Norway;5. Clinical Institute 1, University of Bergen, , Bergen, Norway;6. Department of Geriatric Psychiatry, Stavanger University Hospital, , Stavanger, Norway |
