- American Federation for Aging Researchwww.infoaging.org
- American Health Care Associationwww.ahcancal.org
- Developmental Disabilities Resource Centerwww.ddrcco.com
- National Institutes of Healthwww.health.nih.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
- National Council on Disabilitywww.ncd.gov
