1. Research Centre of Geriatric Care; University of Eastern Finland; Kuopio Finland
2. Clinical Pharmacology and Geriatric Pharmacotherapy Unit; School of Pharmacy; Faculty of Health Sciences; University of Eastern Finland; Kuopio Finland
3. Social and Health Centre of Kuopio; Kuopio Finland
4. Department of Periodontology; Institute of Dentistry; University of Oulu; Oulu Finland
5. Unit of Dentistry; School of Medicine; Faculty of Health Sciences; University of Eastern Finland; Kuopio Finland
6. Oulu Health Centre; Oulu Finland
7. Division of Geriatrics; Institute of Public Health and Clinical Nutrition; Faculty of Health Sciences; University of Eastern Finland; Kuopio Finland