1. Section of Sport Science; Department of Public Health; Aarhus University; Aarhus Denmark
2. MS Clinic of Southern Jutland (Sønderborg, Esbjerg, Vejle); Department of Neurology; Soenderborg Hospital; Soenderborg Denmark
3. Institute of Regional Health Research; University of Southern Denmark; Odense Denmark
4. Focused Research Group in Psychiatry; Abenra Denmark