1. Syreon Research Institute, Budapest, Hungary
2. Syreon Research Institute, Budapestand Eötvös Loránd University (ELTE), Faculty of Social Sciences, Department of Health Policy and Health Economics, Budapest, Hungary
3. PregLem SA, Geneva, Switzerland
4. Department of Health Policy and Economics , Institute of Economics, Faculty of Social Sciences, Eötvös Loránd University (ELTE) Syreon Research Institute, Budapest, Hungary