a Centre for Musculoskeletal Studies, University of Western Australia, Princess Margaret Hospital, Western Australia;
b Cerebral Palsy Institute, School of Medicine, University of Notre Dame Australia, Darlinghurst, Sydney, NSW;
c Queensland Cerebral Palsy Health Service, Department of Paediatric Rehabilitation, Royal Children’s Hospital, Brisbane, QLD, Australia;
d Department of Rehabilitation Sciences, KUL, Leuven, Belgium;
e Paediatric Neurology & Developmental Medicine, Children’s Hospital University of Munich, Munich, Germany;
f Department of Musculoskeletal Sciences, KUL, Leuven, Belgium;
g Rehabilitation Dept, Children’s Hospital at Westmead, Westmead, NSW, Australia; and
h University of Melbourne, Department of Orthopaedics and Murdoch Children’s Research Institute, The Royal Children’s Hospital, Parkville, Vic., Australia