1 Discipline of Biomedical Science, Sydney Medical School, The University of Sydney, Lidcombe, New South Wales, Australia Musculoskeletal Division, The George Institute for Global Health, Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia.
2 Musculoskeletal Division, The George Institute for Global Health, Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia Department of Epidemiology and Biostatistics, EMGO+ Institute, VU University Medical Centre, Amsterdam, Netherlands.