[1] City Kuopio, Social Serv, Kuopio 70100, Finland
[2] City Kuopio, Hlth Serv, Kuopio 70100, Finland
[3] Univ Eastern Finland, Fac Hlth Sci, Sch Pharm, Kuopio, Finland
[4] Univ Eastern Finland, Dept Publ Hlth, Inst Publ Hlth & Clin Nutr, Kuopio, Finland
[5] Univ Eastern Finland, Dept Geriatr, Inst Publ Hlth & Clin Nutr, Kuopio, Finland
[6] Univ Jyvaskyla, Gerontol Res Ctr, Jyvaskyla, Finland
[7] Univ Jyvaskyla, Dept Hlth Sci, Jyvaskyla, Finland
[8] Univ Eastern Finland, Kuopio Res Ctr Geriatr Care, Kuopio, Finland
[9] Kuopio Univ Hosp, Dept Neurol, SF-70210 Kuopio, Finland