1. Speech and Language Pathology Unit, Department of Health and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
2. Dart—Centre for AAC and Assistive Technology Sahlgrenska University Hospital Gothenburg Sweden
3. Region Västra Götaland, Habilitation & Health Habilitation Children and youth Gothenburg Sweden
4. Disability Research Division, Department of Behavioural Sciences and Learning Linköping University Linköping Sweden
5. Child Neuropsychiatric Clinic Sahlgrenska University Hospital Gothenburg Sweden
6. Gillberg Neuropsychiatry Centre, Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
7. Department of Education and Special Education University of Gothenburg Gothenburg Sweden
8. Department of Behavioural Sciences and Learning, Division of Psychology Linköping University Linköping Sweden