1. Department of Neurology Siun Sote North Karelia Central Hospital Joensuu Finland
2. Clinical Neurosciences University of Turku Turku Finland
3. Neurocenter Turku University Hospital Turku Finland
4. Department of Public Health University of Turku Turku Finland
5. Turku Clinical Research Center Turku University Hospital Turku Finland
6. Heart Center Turku University Hospital and University of Turku Turku Finland