Affiliation: | 1. Orthopaedic Department, The Royal Children's Hospital, Parkville, Vic., Australia;2. Department of Paediatrics, University of Melbourne, Carlton, Vic., Australia;3. Centre of Research Excellence in Cerebral Palsy, Murdoch Childrens Research Institute, Parkville, Vic., Australia;4. Clinical Epidemiology and Biostatistics Unit, Murdoch Childrens Research Institute, Parkville, Vic., Australia;5. Harvard Medical School, Boston Children's Hospital, Boston, MA, USA;6. Hugh Williamson Gait Laboratory, The Royal Children's Hospital, Parkville, Vic., Australia |