1. Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands
2. Department of Public Health and Surveillance, Scientific Institute of Public Health, Brussels, Belgium
3. Department of Sociology, Interface Demography, Vrije Universiteit Brussel, Brussels, Belgium
4. Department of Public Health, Ghent University, Ghent, Belgium
5. Institute of Health and Society, Newcastle University, Newcastle, UK
6. Institute for Ageing, Newcastle University, Newcastle, UK
7. INSERM (National Institute of Health and Medical Research), Montpellier, France
8. EPHE (École Pratique des Hautes Études), Paris, France
9. INED (National Institute of Demographic Studies), Paris, France