
References:
Autism Speaks. (2013). Facts about Autism. Available online at: http://www.autismspeaks.org/what-autism/facts-about-autism
Weintraub, K. (2013). Autism number rise in latest count. Available online at: http://www.usatoday.com/story/news/nation/2013/03/20/children-autism-frequency/2000131/