1. Department of Neurology; Kuopio University Hospital; Kuopio Finland
2. Institute of Clinical Medicine - Neurology; University of Eastern Finland; Kuopio Finland
3. Department of Clinical Physiology and Nuclear Medicine; Mikkeli Central Hospital; Mikkeli Finland
4. Heart Center; Kuopio University Hospital; Kuopio Finland
5. Institute of Clinical Medicine - Medicine; University of Eastern Finland; Kuopio Finland
6. Medical Research Center; Oulu University Hospital; Oulu Finland
7. Research Unit of Clinical Neuroscience, Neurology; University of Oulu; Oulu Finland
8. Department of Neurology; Mikkeli Central Hospital; Mikkeli Finland