[1] Univ Queensland, Sch Hlth & Rehabil Sci, Brisbane, Australia
[2] Childrens Motor Control Res Collaborat, Brisbane, Australia
[3] Choice Pass Life, Brisbane, Qld, Australia
[4] Queensland Cerebral Palsy Register, Brisbane, Australia
[5] Univ Queensland, Sch Hlth & Rehabil Sci, Level 3,Therapies Annexe 84A, St Lucia, Qld 4072, Australia