1. Department of Experimental Immunohematology, Sanquin Research, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
2. Department of Pediatric Hematology-Oncology, University Medical Center Utrecht/Wilhelmina Children's Hospital, Utrecht, The Netherlands;
3. Department of Thrombocyte and Leukocyte Serology, Sanquin Diagnostic Services, Amsterdam, The Netherlands;
4. Department of Blood Cell Research, Sanquin Research, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; and
5. Medical Cell Biophysics, MIRA Institute, University of Twente, Enschede, The Netherlands