1. Department of Experimental Immunohematology Sanquin Research Amsterdam the Netherlands
2. Landsteiner Laboratory Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
3. Department of Pediatric Hematology University Medical Center Utrecht Utrecht the Netherlands
4. Laboratory for Platelet and Leukocyte Serology Department of Immunohematology Diagnostics Sanquin Diagnostic Services Amsterdam the Netherlands
5. Princess Maxima Center for Pediatric Oncology Utrecht the Netherlands
6. Center for Clinical Transfusion Research Sanquin Research Leiden the Netherlands
7. Jon J van Rood Center for Clinical Transfusion Science Leiden University Medical Center Leiden the Netherlands
8. Department of Immunohematology and Blood Transfusion Leiden University Medical Center Leiden the Netherlands