1. Columbia University Mailman School of Public Health New York New York USA
2. Department of International Health School CAPHRI Care and Public Health Research Institute Faculty of Health Medicine and Life Sciences Maastricht University Maastricht The Netherlands
3. Department of Health Policy Management Institute of Public Health Faculty of Health Care Jagiellonian University Krakow Poland
4. Department of Health Behavior and Health Education University of Michigan School of Public Health Ann Arbor Michigan USA
5. Division of Health Policy and Management School of Public Health at the University of Minnesota Minneapolis Minnesota USA