1. Institute of Clinical Medicine, Neurology, University of Kuopio, Kuopio, Finland
2. Kuopio Research Centre of Geriatric Care, University of Eastern Finland, Kuopio, Finland
3. Aging Research Center, Karolinska Institutet and Stockholm University, Stockholm, Sweden
4. Department of Clinical Nutrition, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
5. Research Unit, Kuopio University Hospital, Kuopio, Finland
6. Department of Neurology, Kuopio University Hospital, Kuopio, Finland
7. Clinical Pharmacology and Geriatric Pharmacotherapy Unit, School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland