1. The Center of Neurodevelopmental Disorders (KIND) Centre for Psychiatry Research Department of Women's and Children's Health Karolinska Institutet and Child and Adolescent Psychiatry Stockholm Health Care Services Stockholm County Council Stockholm Sweden
2. Astrid Lindgren Children's Hospital Karolinska University Hospital Solna Sweden
3. Gillberg Neuropsychiatry Centre Institute of Neuroscience and Physiology University of Gothenburg Gothenburg Sweden
4. Speech and Language Pathology Unit Institute of Neuroscience and Physiology University of Gothenburg Gothenburg Sweden
5. Department of Medical Epidemiology and Biostatistics Karolinska Institutet Stockholm Sweden
6. School of Medical Sciences Örebro University Örebro Sweden