1. Kidney Transplant Unit, Nephrology department Bellvitge University HospitalIDIBELLBarcelona University Barcelona Spain
2. Nephrology and Transplantation Laboratory IDIBELLBarcelona University Barcelona Spain
3. Renal Transplant Unit Department of Internal Medicine Amsterdam University Medical CentersAcademic Medical Center ‐ University of Amsterdam Amsterdam the Netherlands
4. Department of Hepatobiliary and Transplant Surgery University Medical Center Hamburg‐Eppendorf Hamburg Germany
5. BeCAT, BCRT, and Department of Nephrology & Intensive Care Charité Universitätsmedizin BerlinBerlin Institute of Health Berlin Germany
6. Transplant Laboratory Institute for Clinical and Experimental Medicine (IKEM) Prague Czech Republic
7. Department of Nephrology Institute for Clinical and Experimental Medicine (IKEM) Prague Czech Republic
8. Nantes UniversitéInserm, CHU NantesCentre de Recherche en Transplantation et Immunologie UMR1064ITUN Nantes France
9. Department of Nephrology University Medical Center Regensburg Regensburg Germany
10. Department of Nephrology Hospital Universitario "Marqués de Valdecilla"Instituto de Investigación "Marqués de Valdecilla" (IDIVAL Santander Spain
11. HLA‐Laboratory Charité‐Universitätsmedizin Berlin Berlin Germany
12. CHU Nantes Laboratoire d’immunologie, CIMNA Nantes France
13. Immunology Department University Hospital Marqués de Valdecilla‐IDIVAL Santander Spain
14. Institute of Liver Studies MRC Centre for Transplantation Department of Inflammation Biology Faculty of Sciences & Medicine King's College London London UK
15. Transplantation Research and Immunology Group Nuffield Department of Surgical Sciences University of Oxford Oxford UK