1 Sydney Musculoskeletal Health, The University of Sydney, Sydney, New South Wales, Australia.
2 Institute for Musculoskeletal Health, Sydney Local Health District, Sydney, New South Wales, Australia.
3 School of Public Health, Faculty of Medicine and Health, The University of Sydney, Sydney, New South Wales, Australia.
4 School of Health Sciences, Faculty of Medicine & Health, The University of Sydney, Sydney, New South Wales, Australia.
5 WHO Collaboration Centre for Physical Activity, Nutrition and Obesity, Charles Perkins Centre, The University of Sydney, Sydney, New South Wales, Australia.
6 Centre for Epidemiology and Evidence, New South Wales Ministry of Health, St Leonards, New South Wales, Australia.
7 Sydney Musculoskeletal Health, The University of Sydney, Sydney, New South Wales, Australia cathie.sherrington@sydney.edu.au.