1. Department of Tumor Immunology, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
2. Department of Human Genetics, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
3. Department of Immunohematology and Stem Cell Research, Leiden University Medical Centre, Leiden, The Netherlands.
4. Central Hematology Laboratory, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
5. Institute for Transplantation Diagnostics and Cell Therapeutics, University of Düsseldorf Medical School, Düsseldorf, Germany.