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 Clinical Biochemistry Aarhus University Hospital Aarhus Denmark
5. Department of Hematology Aarhus University Hospital Aarhus Denmark
6. Department of Biomedicine Aarhus University Aarhus Denmark
7. Department of Neurology, Medical College of Georgia Augusta University Augusta GA
8. University Clinic in Nephrology and Hypertension, Gødstrup Regional Hospital Herning Denmark