[1] Univ Jyvaskyla, Fac Sports & Hlth Sci, Unit Hlth Sci, Jyvaskyla, Finland
[2] JAMK Univ Appl Sci, Field Social Serv & Hlth Care, Oravankuja 14, FI-40400 Jyvaskyla, Finland
[3] Social Insurance Inst Finland, Helsinki, Finland
[4] Laurea Univ Appl Sci, Lahti, Finland
[5] GeroCtr Fdn Aging Res & Dev, Jyvaskyla, Finland
[6] Cent Hosp Cent Finland, Dept Phys Med & Rehabil, Jyvaskyla, Finland