1. Department of Hematopoiesis, Sanquin Research and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands.
2. Department of Experimental Immunology, Amsterdam UMC, Amsterdam, Netherlands.
3. Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, Netherlands.
4. Institute of Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.