- National Association for Home Care and Hospicewww.nahc.org
- American Heart Associationwww.americanheart.org
- American Health Care Association www.ahcancal.org
- The American Geriatrics Societywww.americangeriatrics.org
- National Institutes of Healthwww.nih.gov
- American Medical Association www.ama-assn.org