 | HCV Advocate | Medical Information |
| Hemophilia Federation of America | Medical Information |
| Hemophilia Treatment Centers | Medical Information |
| Hepatitis C Association | Medical Information |
| HIV - Center for Disease Control and Prevention | Medical Information |
| International Council of Infertility Information Dissemination | Medical Information |
| Multiple Sclerosis Association of America | Medical Information |
| Multiple Sclerosis Foundation | Medical Information |
| Multiple Sclerosis International Foundation | Medical Information |
| National Association of People with AIDS | Medical Information |
| National Cancer Institute | Medical Information |
 | National Heart, Lung, and Blood Institute | Medical Information |
| National Institute of Allergy and Infectious Diseases (NIAID) | Medical Information |
| National Institute of Child Health and Human Development | Medical Information |
| National Institute of Neurological Disorders - MS | Medical Information |
| National MS Society | Medical Information |
 | National Osteoporosis Foundation | Medical Information |
| NCCS - National Coalition for Cancer Survivorship | Medical Information |
| Society For Reproductive Endocrinology and Infertility | Medical Information |
| Strong Health - Strong Heart and Vascular Center | Medical Information |