1. Radboud University Medical Centre, Donders Institute for Brain Cognition and Behaviour, Department of Rehabilitation, Center of Expertise for Parkinson & Movement Disorders Nijmegen the Netherlands
2. Department of Rehabilitation Sint Maartenskliniek Nijmegen the Netherlands
3. Department of Rehabilitation Medicine Amsterdam UMC, Vrije Universiteit Amsterdam Amsterdam the Netherlands
4. Amsterdam Movement Sciences Rehabilitation & Development Amsterdam the Netherlands
5. Emma Children's Hospital Amsterdam University Medical Centers Amsterdam the Netherlands