1. Faculty of Health, Medicine and Life Sciences Maastricht University Maastricht The Netherlands
2. Department of Experimental Orthopedics, Faculty of Health, Medicine and Life Sciences Maastricht University Maastricht The Netherlands
3. The Finnish Institute for Health and Welfare Helsinki Finland
4. Department of International Health. CAPHRI ‐ Care and Public Health Research Institute, Faculty of Health, Medicine and Life Sciences Maastricht University Maastricht The Netherlands