1. Neurology & Danish Stroke Center, Aarhus University Hospital, Aarhus, Denmark
2. Department of Research and Development, Emergency Medical Services, Central Denmark Region and Aarhus University, Aarhus, Denmark
3. Department of Neurology, Regional Hospital of West Jutland, Holstebro, Denmark
4. Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
5. Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University and Aalborg University Hospital, Aalborg, Denmark
6. Department of Neurology, Medical College Georgia & Augusta University, Augusta, GA, USA