- National Institutes of Healthwww.nih.gov
- American Geriatrics Societywww.americangeriatrics.org
- American Association on Health and Disabilitywww.aahd.us
- Johns Hopkins Center on Aging and Healthwww.coah.jhu.edu
- American Diabetes Associationwww.diabetes.org
- American Heart Associationwww.heart.org