1. Amsterdam Public Health research institute, Department of Public Health, University of Amsterdam, Amsterdam UMC, Amsterdam, The Netherlands;
2. Laboratorio Management e Sanità, Institute of Management, Sant'Anna School of Advanced Studies, Pisa, Italy;
3. Inspection Générale des Affaires Sociales, Paris, France;
4. Health Promotion Research Centre, National University of Ireland Galway, Galway, Ireland;
5. Public Health Institute, Vilnius University, Vilnius, Lithuania;
6. Department of Economics and Related Studies, University of York, York, UK;
7. Department of Family Medicine and Primary Health Care, Ghent University, Ghent, Belgium