Age

3–8

Sex

ALL

Healthy volunteers

Not accepted

Developmental delays prior to 12 months of age
history of head trauma
seizure in the past year
bleeding disorder
history of kidney or liver disease
clinically significant low white blood cell count
PDD-NOS, Rett's syndrome, Childhood Disintegrative Disorder or Fragile X syndrome
current supplementation with Vitamin D, Vitamin A or cod-liver oil

Open Label Clinical Trial of Vitamin D in Children With Autism