1. Department of Orthopaedics, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands
2. IQ Healthcare, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands
3. Department of Rehabilitation, Radboud Institute for Health Sciences, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands
4. Department of Orthopedics, Rijnstate Hospital, 6800 TA Arnhem, The Netherlands