Arjen Bergsma (Radboud University Medical Centre, Donders Centre for Neuroscience, Department of Rehabilitation, Nijmegen), Edith Cup (Radboud University Medical Centre, Department of Rehabilitation, Nijmegen, The Netherlands), Imelda De Groot (Radboud University Medical Centre, Donders Centre for Neuroscience, Department of Rehabilitation, Nijmegen), Jos IJspeert (Radboud University Medical Centre, Donders Centre for Neuroscience, Department of Rehabilitation, Nijmegen), Renske Janssen (Radboud University Medical Centre, Donders Centre for Neuroscience, Department of Rehabilitation, Nijmegen), Jan Groothuis (Radboud University Medical Centre, Donders Centre for Neuroscience, Department of Rehabilitation, Nijmegen), Nens Van Alfen (Radboud University Medical Centre, Donders Centre for Neuroscience, Department of Neurology, Nijmegen)