1. Gerontology Research Centre, Department of Health Sciences, University of Jyväskylä, Jyväskylä, Finland
2. Institute of Public Health and Clinical Nutrition, School of Medicine, University of Eastern Finland, School, Kuopio, Finland
3. Kuopio University Hospital, Kuopio, Finland
4. Kuopio Research Centre of Geriatric Care, University of Eastern Finland, Kuopio, Finland
5. Clinical Pharmacology and Geriatric Pharmacotherapy Unit, School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland