1. Organización Nacional de Trasplantes (ONT) Madrid Spain
2. European Directorate for the Quality of Medicines & HealthCare (EDQM) Council of Europe Strasbourg France
3. NHS Blood and Transplant (NHSBT) Bristol UK
4. Instituto Português de Sangue e da Transplantação (IPST) Lisbon Portugal
5. Centro Nazionale Trapianti‐Istituto Superiore di Sanità (CNT‐ISS) Rome Italy
6. Koordinační středisko transplantací (KST) Prague Czech Republic
7. Division of Transplant Surgery Harvard Medical School Brigham and Women’s HospitalBoston MA USA
8. Padua University Hospital Padua Italy
9. Israel Transplant Center Tel‐Aviv Israel
10. New England Donor Services Waltham MA USA