[1] Burwood Acad, Christchurch, New Zealand
[2] Univ Otago, Christchurch, New Zealand
[3] Univ Sydney, Kolling Inst, Fac Med & Hlth, Sydney, NSW, Australia
[4] Northern Sydney Local Hlth Dist, John Walsh Ctr Rehabil Res, Sydney, NSW, Australia
[5] Auckland Univ Technol, Auckland, New Zealand
[6] Royal Rehab, Sydney, NSW, Australia
[7] Prince Wales Hosp, Sydney, NSW, Australia
[8] Royal North Shore Hosp, Sydney, NSW, Australia