[1] Curtin Univ Technol, Sch Physiotherapy, Perth, WA 6845, Australia
[2] Curtin Univ Technol, Curtin Hlth Innovat Res Inst, Perth, WA 6845, Australia
[3] Princess Margaret Hosp, Physiotherapy Dept, Perth, WA 6840, Australia
[4] Princess Margaret Hosp, Dept Rheumatol, Perth, WA 6840, Australia