1. Department of Health Services Research, Medicine and Life Sciences, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands
2. School of Public Health, National University Kyiv Mohyla Academy, 2 Skovorody Street, 04655 Kyiv, Ukraine
3. Tallinn School of Business and Governance, Tallinn University of Technology, Akadeemia Tee 3, 12611 Tallinn, Estonia
4. Department of Health Services Research; CAPHRI, Maastricht University Medical Center, Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands
5. Top Institute Evidence-Based Education Research (TIER), Maastricht University, P.O. Box 616, 6200 MD, Maastricht, The Netherlands