1. IRDES, Paris, France
2. PSL, Université Paris-Dauphine, LEDA-LEGOS, Paris, France
3. CNRS, EHESS, Centrale Marseille, AMSE, Aix-Marseille University, Marseille, France
4. Institute of Health and Society (IRSS) and Institute of Economic and Social Research (IRES), Université catholique de Louvain, Brussels, Belgium