1. Speech Pathology Unit, Department of Health and Rehabilitation, University of Gothenburg
2. Habilitation and Health, Region Västra Götaland, Vanersborg, Sweden
3. Department of Psychology, University of Gothenburg
4. DART – Centre for AAC and Assistive Technology, Sahlgrenska University Hospital
5. Gillberg Neuropsychiatry Centre, University of Gothenburg
6. Child Neuropsychiatric Clinic, Sahlgrenska University Hospital, Gothenburg, Sweden