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