- American Health Care Associationwww.ahcancal.org
- American Public Health Associationwww.apha.org
- Centers for Medicare & Medicaid Services (CMS)www.cms.gov
- National Institutes of Healthwww.nih.gov
- The AGS Foundation for Health in Agingwww.healthinaging.org
- The American Geriatrics Societywww.americangeriatrics.org
- US Department of Health & Human Serviceswww.hhs.gov
