1. North Karelia Central Hospital, Joensuu, Finland;
2. Division of Clinical Neurosciences, Turku University Hospital, Turku, Finland;
3. Department of Neurology, University of Turku, Turku, Finland;
4. Turku University Hospital, Turku, Finland;
5. Department of Biostatistics, University of Turku, Turku, Finland;
6. Department of Public Health, University of Turku, Turku, Finland;
7. Turku Clinical Research Centre, Turku University Hospital, Turku, Finland;
8. Heart Center, Turku University Hospital, Turku, Finland;
9. Research Center of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland