http://www.jhsph.edu/cadde/

CADDE was created to increase understanding of the factors that lead to the development of autism and other developmental disabilities, serves to foster communication, coordination, and collaboration among a multi-disciplinary team of researchers around the epidemiology of Autism Spectrum Disorders (ASD) and Developmental Disabilities (DD). Also, it strives to bring epidemiologic data and research to public health and educational practitioners, as well as to interested ASD and DD public constituencies.