1. Sanquin Research, and Landsteiner Laboratory, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;
2. University Children’s Hospital, Paediatric Infectious Diseases and Immunology, University of Würzburg, Würzburg, Germany;
3. Nijmegen Center for Infection, Immunity and Inflammation (N4i), Radboud University, Nijmegen Medical Center, Nijmegen, The Netherlands; and
4. Emma Children’s Hospital, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands