1. Institute of Comparative Economic Studies, Hosei University, Tokyo, Japan
2. Department of Global Health Economics and Policy, University of Kragujevac, Kragujevac, Serbia
3. College of Management and Economics, Tianjin University, Tianjin, China
4. National Institute of Child Health and Human Development, Jerusalem, Israel
5. Department of Pediatrics, Mt Scopus Campus, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
6. Faculty of Economics and Business, University of Talca, Talca, Chile
7. Department of Gynecology and Obstetrics, Faculty of Medical Sciences, University of Kragujevac, Kragujevac, Serbia