1. Department of Orthopedic Surgery and Traumatology, Zuyderland Medical Center, Heerlen, Netherlands
2. Department of Orthopedic Surgery, Balgrist University Hospital, Zürich, Switzerland
3. School of Care and Public Health Research Institute (CAPHRI), Faculty of Health, Medicine and Life Sciences, Maastricht, Netherlands
4. Zuyderland Academy, Zuyderland Medical Center, Sittard-Geleen and Heerlen, Netherlands
5. Department of Orthopaedic Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
6. Department of Orthopedic Surgery and Traumatology, Maastricht University Medical Center, Maastricht, Netherlands
7. Department of Orthopedic Surgery, UMC Utrecht, Utrecht, Netherlands