| http://www.etco.org | The European Transplant Coordinators Organization (ETCO) |
| http://www.eltr.org | European Liver Transplant Registry |
| http://www.dso.de | Deutsche Stiftung Organtransplantation |
| http://www.transplant.org | Eurotransplant International Foundation |
| http://www.htp.hu | Hungarotranszplant Kht. Budapest |
| http://www.transalap.hu | Transplant Foundation for Renewed Lives Hungary |
| http://www.2005wtg.london.ca | XV. WORLD TRANSPLANT GAMES |
