Machado Gustavo C, Abdel-Shaheed Christina, Underwood Martin, Day Richard O
Institute for Musculoskeletal Health, University of Sydney and Sydney Local Health District, Sydney, Australia
Sydney School of Public Health, Faculty of Medicine and Health, University of Sydney, Sydney, Australia.
BMJ. 2021 Jan 29;372:n104. doi: 10.1136/bmj.n104.