[1] Curtin Univ, Curtin Sch Allied Hlth, Kent St, Perth, WA 6102, Australia
[2] Univ Western Australia, WA Ctr Hlth & Ageing, Sch Allied Hlth, 35 Stirling Highway, Crawley, WA 6009, Australia
[3] Armadale Kelmscott Mem Hosp, Dept Aged Care & Rehabil, East Metropolitan Hlth Serv, 3056 Albany Highway, Mt Nasura, WA 6112, Australia
[4] Amana Living Inc, 99 McCabe St, Mosman Pk, WA 6012, Australia