1. Centre for Epidemiology and Research in Population Health (CERPOP), Université de Toulouse, Inserm, Université Paul Sabatier, Toulouse, France
2. Institut fédératif de recherche et d’études interdisciplinaire santé société, Université de Toulouse, Toulouse, France
3. Centre for Health Data Science, University of Aberdeen, Aberdeen, Scotland
4. Faculty of Medical Sciences, Population Health Sciences Institute, Newcastle University, UK
5. MRC/CSO Social and Public Health Sciences Unit, University of Glasgow, Glasgow, UK
6. Department of Political Science and Leonard Davis Institute for Health Economics, University of Pennsylvania, Philadelphia, U S.A
7. College of Social Sciences, University of Glasgow, Glasgow, Scotland
8. School of Social Work & Social Policy, University of Strathclyde, Glasgow, UK