- American Association on Intellectual and Developmental Disabilitieswww.aaidd.org
- American Association of People with Disabilitieswww.aapd.com
- Autism Societywww.autismsociety.org
- Autism Research Institutewww.autism.org
- Centers for Medicare & Medicaid Serviceswww.cms.gov
- National Institutes of Healthwww.nih.gov
