1. Clinical Motion Analysis Laboratory; University Hospital Leuven; Belgium
2. KU Leuven Department of Rehabilitation Sciences; Belgium
3. KU Leuven Department of Mechanical Engineering; Belgium
4. KU Leuven Department of Development and Regeneration; Belgium
5. Department of Orthopedics; University Hospital Leuven; Belgium
6. Department of Neurology; University Children's Hospital Queen Fabiola; Université Libre de Bruxelles; Brussels Belgium