1. Department of Microbiology and Immunology KU Leuven, University of Leuven Leuven Belgium
2. Histocompatibility and Immunogenetics Laboratory Belgian Red Cross‐Flanders Mechelen Belgium
3. Department of Pathology University Hospitals Leuven Leuven Belgium
4. Department of Nephrology and Renal Transplantation University Hospitals Leuven Leuven Belgium