1. Bickel, J., Bridgemohan, C., Sideridis, G., & Huntington, N. (2015). Child and family characteristics associated with age of diagnosis of an autism spectrum disorder in a tertiary care setting. Journal of Developmental and Behavioral Paediatrics, 36, 1–7.
2. Buescher, A. V., Cidav, Z., Knapp, M., & Mandell, D. S. (2014). Costs of autism spectrum disorders in the United Kingdom and the United States. JAMA Paediatrics, 168, 721–728.
3. Centers for Disease Control and Prevention. (2014). Prevalence of autism spectrum disorder among children aged 8 years—Autism and developmental disabilities monitoring network, 11 sites, United States, 2010. Morbidity and Mortalilty Weekly Report, 63(2), 1–21.
4. Coo, H., Oulette-Kuntz, H., Lam, M., Yu, C. T., Dewey, D., Bernier, F. P., et al. (2012). Correlates of age at diagnosis of autism spectrum disorders in six Canadian regions. Chronic Diseases and Injuries in Canada, 32, 90–100.
5. Crane, L., Chester, J., Goddard, L., Henry, L. A., & Hill, E. (2015). Experiences of autism diagnosis: A survey of over 1000 parents in the United Kingdom. Autism. doi: 10.1177/1362361315573636 .