1 Department of Rehabilitation, Donders Center for Neuroscience, Radboud University Medical Center, Nijmegen, The Netherlands. Sandra.degroot@radboudumc.nl.
2 Department of Rehabilitation, Donders Center for Neuroscience, Radboud University Medical Center, Nijmegen, The Netherlands.
3 Division of Language and Communication Science City, University of London, London, UK.