1. Department of Quality of Health Care and Health Economics, National Institute for Public Health and the Environment (RIVM), Center for Nutrition Prevention and Health Services Bilthoven The Netherlands
2. Erasmus School of Health Policy & Management Erasmus University Rotterdam Rotterdam The Netherlands
3. College of Human and Social Futures, Newcastle Business School University of Newcastle Newcastle Australia
4. Department of Sociology and Business Law, School of Economics and Management University of Bologna Bologna Italy