1. Discipline of Paediatrics and Child Health, The University of Sydney, The Children’s Hospital at Westmead, Westmead, Australia;
2. The George Institute for Global Health, Sydney Medical School, and
3. Poche Centre for Indigenous Health, Sydney Medical School, The University of Sydney, Sydney, Australia;
4. Physiotherapy Department, and
5. Pain Management Research Institute, University of Sydney at Royal North Shore Hospital, Sydney, Australia;
6. Departamento de Fisioterapia, Faculdade de Ciências e Tecnologia, UNESP – Univ Estadual Paulista, Presidente Prudente, Brazil;
7. School of Public Health, Curtin University, Western Australia, Australia;
8. Department of Health Professions, Faculty of Human Sciences, Macquarie University, Sydney, Australia; and
9. The Sydney Children’s Hospital Networks (Westmead), Westmead, Australia