1. Department of Neurology, Aarhus University Hospital, Aarhus, Denmark
2. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
3. Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
4. Department of Neurology, Copenhagen University Hospital-Herlev Gentofte, Copenhagen, Denmark
5. Research Unit for Neurology, Odense University Hospital, Odense, Denmark
6. University of Southern Denmark, Odense, Denmark
7. Department of Neurology, Zealand University Hospital, Roskilde, Denmark
8. Department of Neurology, Aalborg University Hospital, Aalborg, Denmark