1 School of Population Health, University of New South Wales, Sydney, NSW 2052, Australia; The George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia; College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia. Electronic address: rebecca.ivers@unsw.edu.au.
2 School of Population Health, University of New South Wales, Sydney, NSW 2052, Australia; The George Institute for Global Health, University of New South Wales, Sydney, NSW, Australia; College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia; Flinders Health and Medical Research Institute, Flinders University, Adelaide, SA, Australia.
3 School of Population Health, University of New South Wales, Sydney, NSW 2052, Australia; Division of Environmental and Occupational Health Sciences, School of Public Health, University of Illinois, Chicago, IL, USA; Phoenix Occupational Medicine, Brisbane, QLD, Australia.