hospitals and organizations
Alzheimer's Association
American Cancer Society
American Medical Association
American Red Cross
Arthritis Foundation
Centers for Disease Control and Prevention
CureSearch
Johns Hopkins Medicine
Mayo Clinic
Mesothelioma Group
National Center on Addiction and Substance Abuse at Columbia University
National Eating Disorders Association
National Stroke Association
Planned Parenthood
Prostate Cancer Foundation
St. Jude Children's Research Hospital