Results from yahoo, msn, google and usenet.
| Provider | Name | Members | Activity (month) | Activity (year) | Started |
| Yahoo | PBC_DIGEST | 2495 | 224 | 12000 | 1999 |
| Yahoo | Hepatitis | 2495 | 294 | 2000 | 1999 |
| Msn | Liver | 2495 | 294 | 2000 | 1999 |
| Liver | 1004 | 167 | 2000 | 2007 | |
| Usenet | Liver | 2495 | 294 | 15000 | 2003 |