1. Department of Rehabilitation Sciences and Physiotherapy, Ghent University, 9000 Ghent, Belgium
2. Department of Rehabilitation Sciences, KU Leuven, 3000 Leuven, Belgium
3. Belgian Bobath Association (ABBV), 1082 Brussels, Belgium
4. Department of Physiotherapy and Rehabilitation, Hacettepe University, Ankara 06560, Turkey
5. Department of Orthopedic Surgery, Ghent University Hospital, 9000 Ghent, Belgium
6. Rehabilitation Centre for Children and Youth, 2242 Pulderbos, Belgium
7. Pediatric Orthopedics, Department of Orthopedics, University Hospital Leuven, 3000 Leuven, Belgium
8. Biostatistics Unit, Department of Public Health and Primary Care, Ghent University, 9000 Ghent, Belgium