1. Department of Rehabilitation Medicine, University of Groningen, University Medical Center Groningen, The Netherlands
2. Roessingh Center for Rehabilitation, Enschede, The Netherlands
3. Department of Orthopedics, Erasmus Medical Center Rotterdam, The Netherlands
4. Department of Orthopedics, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
5. Section Cognition, Data and Education, Measurement and Data Analysis, University of Twente, Enschede, The Netherlands
6. Medical School Twente, Medisch Spectrum Twente, Enschede, The Netherlands
7. Department of Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands