1. Department of Nursing Science University of Eastern Finland Kuopio Finland
2. Department of Neurology Institute of Clinical Medicine University of Eastern Finland Kuopio Finland
3. Neurology of Neuro Center Kuopio University Hospital Kuopio Finland
4. Geriatrics, Internal Medicine and Rehabilitation, Helsinki University Hospital and Department of Neurosciences, Faculty of Medicine University of Helsinki Helsinki Finland
5. Neuro Center Kuopio University Hospital Kuopio Finland
6. Science Service Center Kuopio University Hospital Kuopio Finland
7. Department of Geriatrics Institute of Public Health and Clinical Nutrition, University of Eastern Finland Kuopio Finland
8. Population Health Unit Finnish Institute for Health and Welfare Helsinki Finland