1. Sanquin Research, Department of Hematopoiesis and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands;
2. Department of Cell Biology, Erasmus Medical Center, Rotterdam, The Netherlands;
3. Laboratory for Cell Therapy, Sanquin Research, Amsterdam, The Netherlands; and
4. Department of Molecular Biology, Faculty of Science, Nijmegen Centre for Molecular Life Sciences, Radboud University, Nijmegen, The Netherlands