1. KG Jebsen MS Research Centre, Institute of Clinical Medicine, University of Bergen, Bergen, Norway/Norwegian Multiple Sclerosis Competence Centre, Department of Neurology, Haukeland University Hospital, Bergen, Norway
2. Norwegian Multiple Sclerosis Competence Centre, Department of Neurology, Haukeland University Hospital, Bergen, Norway
3. Centre for Clinical Research, Haukeland University Hospital, Bergen, Norway
4. Department of Neurology, Stavanger University Hospital, Stavanger, Norway/Neuroscience Research Group, Stavanger University Hospital, Stavanger, Norway/Institute of Clinical Medicine, University of Bergen, Bergen, Norway
5. Department of Research, Stavanger University Hospital, Stavanger, Norway
6. Institute of Clinical Medicine, University of Bergen, Bergen, Norway
7. Norwegian Multiple Sclerosis Competence Centre, Department of Neurology, Haukeland University Hospital, Bergen, Norway/Department of Physiotherapy, Haukeland University Hospital, Bergen, Norway
8. KG Jebsen MS Research Centre, Institute of Clinical Medicine, University of Bergen, Bergen, Norway/Norwegian Multiple Sclerosis Registry and Biobank, Department of Neurology, Haukeland University Hospital, Bergen, Norway