1. Kuopio Research Centre of Geriatric Care School of Pharmacy University of Eastern Finland Kuopio Finland
2. Department of Ophthalmology Institute of Clinical Medicine University of Eastern Finland and Kuopio University Hospital Kuopio Finland
3. Faculty of Medicine and Health Technology and Gerontology Research Centre GEREC Tampere University, and Centre of Geriatrics Tampere University Hospital Tampere Finland
4. Kuopio Research Centre of Geriatric Care University of Eastern Finland Kuopio Finland
5. School of Pharmacy University of Eastern Finland, and Finnish Student Health Service Kuopio Finland