1. Department of Pediatric Oncology, Hematology, and Clinical Immunology, University Children’s Hospital, Medical Faculty, Heinrich Heine University, Düsseldorf, Germany;
2. Department of Pediatrics and Adolescent Medicine, The Juliane Marie Centre, The University Hospital Rigshospitalet, Copenhagen, Denmark;
3. Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, Germany;
4. Department of Pediatric Hematology and Oncology, Hannover Medical School, Hannover, Germany;
5. Department of Genetics, Friedrich Alexander University, Erlangen-Nuremberg, Germany; and
6. Institute of Clinical Medicine, Faculty of Medicine, University of Copenhagen, Copenhagen, Denmark