1. Department of Global Health Economics and Policy, University of Kragujevac, Kragujevac, Serbia;
2. World Health Organization Regional Office for Europe, WHO Barcelona Office for Health Systems Strengthening, Barcelona, Spain;
3. Division of Health Economics, Lund University, Lund, Sweden;
4. London School of Economics and Political Science, London, UK;
5. Faculty of Economics, Hosei University, Tokyo, Japan;
6. Federal Research Institute of Public Health, Moscow, Russian Federation;
7. Division of Pediatrics, Hadassah Hebrew University Medical Center, Mt Scopus Campus, Israel;
8. Department of Preventive Medicine, Faculty of Public Health, University of Debrecen MTA-DE Public Health Research Group, Debrecen, Hungary;
9. Fogelman College of Business & Economics, University of Memphis, Memphis, TN, USA;
10. Insurance and Health Management at the Fox School of Business, Temple University, Philadelphia, PA, USA