1. Institute of Regional Health Research, University of Southern Denmark, Denmark/Hospital of Southern Jutland, Denmark/Odense Patient data Explorative Network (OPEN), University of Southern Denmark, Denmark/ Torshavn National Hospital, Faroe Islands
2. Institute of Regional Health Research, University of Southern Denmark, Denmark/Hospital of Southern Jutland, Denmark/ MS Clinic of Southern Jutland (Sønderborg, Esbjerg, Vejle), Department of Neurology, Denmark
3. Institute of Regional Health Research, University of Southern Denmark, Denmark
4. Department of Clinical Research, University of Southern Denmark, Denmark/Odense Patient data Explorative Network (OPEN), University of Southern Denmark, Denmark
5. Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden