[1] Curtin Univ, Curtin Sch Allied Hlth, Perth, WA, Australia
[2] Curtin Univ, EnAble Inst, Perth, WA, Australia
[3] RCSI Univ Med & Hlth Sci, Sch Physiotherapy, Dublin, Ireland
[4] Hlth Serv Execut HSE, Primary Care Physiotherapy Serv CHO9, Dublin, Ireland
[5] Hlth Serv Execut HSE, Older Person Serv CHO9, Dublin, Ireland
[6] North Dublin Home Care NDHC, Dublin, Ireland
[7] Trinity Coll Dublin TCD, Dept Clin Med, Dublin, Ireland
[8] Glasgow Caledonian Univ, Sch Hlth & Life Sci, Glasgow, Lanark, Scotland
[9] Later Life Training Ltd, Killin, Scotland
[10] RCSI Univ Med & Hlth Sci, Dept Hlth Psychol, Dublin, Ireland
[11] RCSI Univ Med & Hlth Sci, Healthcare Outcomes Res Ctr HORC, Dublin, Ireland
[12] Univ Limerick UL, Sch Allied Hlth, Hlth Res Inst, Ageing Res Ctr, Limerick, Ireland