1. Division of Pediatric Hematology and Oncology, Department of Pediatrics and Adolescent Medicine, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
2. Department of Neuroradiology, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
3. AML-BFM Study Group, Division of Pediatric Hematology and Oncology, Department of Pediatrics, University of Duisburg-Essen, Essen, Germany
4. German Cancer Consortium (DKTK), Freiburg, Germany
5. German Cancer Research Center (DKFZ), Heidelberg, Germany