1. Radboud Institute for Health Sciences, IQ Health Care Nijmegen Radboud University Medical Center, , the Netherlands
2. HAN University of Applied Sciences Musculoskeletal Rehabilitation Research Group, School for Allied Health, , Nijmegen, the Netherlands
3. Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Health Evidence, Section Biostatistics , Nijmegen, the Netherlands
4. Radboud University Medical Center , Department of Health Evidence, Nijmegen, the Netherlands
5. Radboud University Medical Center, Radboud Institute for Health Sciences, Department of Rehabilitation , Nijmegen, the Netherlands