Affiliation: | 1. Institute of Dentistry, University of Oulu, , Oulu, Finland;2. Department of Periodontology, Institute of Dentistry, University of Oulu, , Oulu, Finland;3. Kuopio Research Centre of Geriatric Care, University of Eastern Finland, , Kuopio, Finland;4. Social and Health Centre of Kuopio, , Kuopio, Finland;5. Emeritus Professor of the Department of Periodontology, Institute of Dentistry, University of Oulu, , Oulu, Finland;6. Kuopio Research Centre for Geriatric Care, Unit of Clinical Pharmacology and Geriatric Pharmacotherapy, School of Pharmacy, University of Eastern Finland, , Kuopio, Finland;7. Department of Geriatrics, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, , Kuopio, Finland;8. Department of Neurology, Kuopio University Hospital, , Kuopio, Finland;9. University of Eastern Finland, , Kuopio, Finland;10. Kuopio University Hospital, , Kuopio, Finland |