1. Centre for Disability and Development Research; Australian Catholic University; Fitzroy Vic. Australia
2. Hugh Williamson Gait Laboratory; The Royal Children's Hospital; Parkville Vic. Australia
3. Department of Physiotherapy; University of Melbourne; Carlton Vic. Australia
4. Department of Orthopaedic Surgery; The Royal Children's Hospital; Parkville Vic. Australia
5. School of Allied Health; College of Science; Health and Engineering; La Trobe University; Bundoora Vic. Australia
6. Department of Physiotherapy; Cabrini Healthcare; Malvern Vic. Australia