1 Centre for Health Equity, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, VIC, Australia.
2 Centre for Disability Research, Lancaster University, Lancaster, UK.
3 Centre for Social Research and Methods, College of Arts and Social Sciences, Australian National University, Canberra, Australia.
4 Biostatistics Unit, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia.
5 Population Interventions, Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia.