1. Equity Research Team, Centre d’Epidémiologie et de Recherche en santé des POPulations CERPOP-UMR1295, Inserm–Université Toulouse III Paul Sabatier, Toulouse, France
2. Faculty of Medicine and Health, University of Sydney School of Public Health, Sydney, New South Wales, Australia
3. ARC Centre of Excellence in Population Aging Research, University of Sydney, Sydney, New South Wales, Australia
4. Interdisciplinary Federal Research Institute on Health and Society (IFERISS-Fed 4241), Université Toulouse III Paul Sabatier, Toulouse, France