1. Department of Neurology; Institute of Clinical Medicine; University of Eastern Finland; Kuopio Finland
2. Aging Research Center; Karolinska Institutet; Stockholm Sweden
3. Division of Clinical Geriatrics; NVS, Karolinska Institutet; Stockholm Sweden
4. Health Monitoring Unit; National Institute for Health and Welfare; Helsinki Finland
5. Chronic Disease Prevention Unit; National Institute for Health and Welfare; Helsinki Finland
6. Institute of Public Health and Clinical Nutrition; University of Eastern Finland; Joensuu Finland
7. Hospital District of North Karelia; Joensuu Finland