1. Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
2. Sanquin Diagnostic Services, Amsterdam, The Netherlands;
3. Department of Blood Cell Research, Sanquin Research and Landsteiner Laboratory, Leiden, The Netherlands;
4. Emma Children’s Hospital, Department of Pediatric Hematology, Immunology and Infectious Disease, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
5. Department of Clinical Transfusion Research, Sanquin Research, Leiden, The Netherlands; and
6. Department of Immunohematology and Blood Transfusion, Leiden University Medical Center, Leiden, The Netherlands