Table 1: Milestones of ABO-I liver transplantation.
| 1970s' | Starzl group | ABO-I deceased donor liver transplantation |
| 1991 | Kyoto group | First case of ABO-I living donor liver transplantation in Japan |
| 1998 | Keio group | Portal vein infusion therapy |
| 2001 | Kyoto group | Hepatic artery infusion therapy |
| 2002 | Tohoku group | Rituximab |