1. Research School CAPHRI, Department of Rehabilitation Medicine, Maastricht University, Maastricht, The Netherlands;
2. Center of Excellence for Rehabilitation Medicine, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, Utrecht, The Netherlands;
3. De Hoogstraat Rehabilitation, Utrecht, The Netherlands;
4. dQueensland Cerebral Palsy and Rehabilitation Research Centre, Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia;
5. eDepartment of Physical Therapy and Rehabilitation Sciences, Drexel University, Philadelphia, PA, USA;
6. fCentre of Expertise in Rehabilitation and Audiology, Hoensbroek, The Netherlands;
7. gDepartment of Pediatric Physical Therapy, Hasselt University, Biomed, Hasselt, Belgium