- American Health Care Associationwww.ahcancal.org
- American Medical Associationwww.ama-assn.org
- American Public Health Associationwww.apha.org
- Center for Health Care Strategieswww.chcs.org
- National Institutes of Healthwww.nih.gov
- National Institutes on Agingwww.nia.nih.gov
- American Stroke Associationwww.stroke.org
