1. Royal Dutch Kentalis – Kentalis Academy, Sint Michielsgestel, The Netherlands
2. Radboud University, Behavioural Science Institute, Nijmegen, The Netherlands
3. Dutch Foundation for the Deaf and Hard of Hearing Child, Amsterdam, The Netherlands
4. Department of Tranzo, Tilburg School of Social and Behavioral Sciences, Tilburg University, Tilburg, The Netherlands
5. Department of Psychology, Utrecht University, Utrecht, The Netherlands