1. Sanquin Research, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
2. Department of Experimental Immunology, Academic Medical Center, Amsterdam, The Netherlands;
3. Division of Pediatric Neurology, Centre Hospitalier de Luxembourg, Luxembourg;
4. Division of Pediatric Endocrinology, Centre Hospitalier de Luxembourg, Luxembourg;
5. Division of Cell Biology, Dutch Cancer Institute, Amsterdam, The Netherlands; and
6. Emma Children’s Hospital, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands