1. Developmental Disabilities Monitoring Network Surveillance Year Principal I. Prevalence of autism spectrum disorder among children aged 8 years - autism and developmental disabilities monitoring network, 11 sites, United States. 2010 MMWR Surveill Summ 2014; 63: 1–21.
2. Pastor P, Reuben C, Duran C, Hawkins L . Association between diagnosed ADHD and selected characteristics among children aged 4-17 years: United States, 2011-2013. NCHS Data Brief 2015; 201: 201.
3. Berenguer-Forner C, Miranda-Casas A, Pastor-Cerezuela G, Rosello-Miranda R . Comorbidity of autism spectrum disorder and attention deficit with hyperactivity. A review study. Rev Neurol 2015; 60: S37–S43.
4. American Psychiatric Association American Psychiatric Association DSM-5 Task Force Diagnostic and statistical manual of mental disorders: DSM-5. 5th edn, American Psychiatric Association: Washington, DC, 2013 xliv, pp 947.
5. Wiggins LD, Baio J, Rice C . Examination of the time between first evaluation and first autism spectrum diagnosis in a population-based sample. J Dev Behav Pediatr 2006; 27: S79–S87.