- United States Department of Labor, Employee Benefits Security Administration
- ABA Commission on Mental and Physical Disability Law
- Centers for Disease Control and Prevention
- National Institutes of Health
- American Lyme Disease Foundation
- Arthritis Foundation
- Fibromyalgia
- American Institute of Stress
- Lupus Association of America
- Medline Plus
- The National Mental Health Association
- National Multiple Sclerosis Society
- Dictionary of Occupational Titles
- Mayo Clinic
- WebMD