1. Regional habilitation center, Region Halland, Sweden
2. Department of Social Sciences, Marie Cederschiöld University College, Sweden
3. Speech and Language Pathology Unit, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
4. Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
5. DART centre for AAC and AT, Sahlgrenska University Hospital, Gothenburg, Sweden