1. Centre for Language Studies, Radboud University, Nijmegen, the Netherlands
2. Faculty of Social and Political Sciences, Semarang State University, Semarang, Indonesia
3. Centre for Language and Speech Technology (CLST), Radboud University, Nijmegen, the Netherlands
4. Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, the Netherlands
5. NovoLearning BV, Nijmegen, the Netherlands