1. FocusKliniek Orthopedie, Haaglanden Medisch Centrum , Den Haag ;
2. Department of Orthopedic Surgery, Canisius Wilhelmina Ziekenhuis , Nijmegen ;
3. Department of Orthopedic Surgery, Medisch Centrum Leeuwarden , Leeuwarden ;
4. Department of Orthopedic Surgery, Radbout UMC , Nijmegen ;
5. Department of Radiology, Alrijne Hospital , Leiderdorp ;
6. Department of Surgery, Sint Antonius Ziekenhuis , Utrecht ;
7. Department of Sportsmedicine, Maxima Medisch Centrum , Veldhoven ;
8. Knee Expert Center , Eindhoven ;
9. Kennisinstituut van de Federatie Medisch Specialisten , Utrecht , The Netherlands