1. Department of Allied Health Studies, HAN University of Applied Sciences, Nijmegen, The Netherlands
2. Department of Rehabilitation, Pediatric Physical Therapy, Radboud University Medical Center, Amalia Children’s Hospital, Radboud Institute for Health Sciences, The Netherlands
3. Department for Health Evidence, Radboud University Medical Center, Nijmegen, The Netherlands
4. Center for Pediatric Physical Therapy Daanen Derksen, Arnhem, The Netherlands
5. Center for Physical Therapy ViaFysio, Zevenaar, The Netherlands
6. Radboud University Medical Center, Scientific Institute for Quality of Health Care, Nijmegen, The Netherlands