The Alabama Autism Surveillance Program (AASP) is a multisource investigation to monitor the number of 8-year- old children in the population with ASDs or cerebral palsy, or both. This surveillance system provides an accurate count of the number of children and families residing in Alabama living with these disorders. The investigators are members of the Department of Health Care Organization and Policy in the School of Public Health at the University of Alabama at Birmingham (UAB), working as agents of the Alabama Department of Public Health. The AASP is a joint undertaking with CDC, the Autism Society of Alabama, other Alabama.