ASD is progressively increasing; the rate of autism was 3.4 per 1,000 for children aged 3 to 10 years in the 1990s. Meanwhile, in 2006, the prevalence estimates are in the range of 6.5 to 6.6 per 1,000 and recently 1 in 160 children have ASD. Though classified as a neurodevelopmental condition, ASD