¹Pediatric Hematology/Oncology, Hannover Medical School, Hannover, Germany.
²St Anna Children's Hospital and Children's Cancer Research Institute, Department of Pediatrics, Medical University of Vienna, Vienna, Austria.
³Pediatric Hematology/Oncology, Hannover Medical School, Hannover, Germany.
⁴Pediatric Hematology/Oncology, University of Zurich, Zurich, Switzerland.
⁵Department of Pediatrics, Jena University Hospital, Jena, Germany.
⁶Department of Pediatric Hematology-Oncology, University of Duisburg-Essen, Essen, Germany.
⁷Department of Pediatric Oncology and Hematology, Medical School, Saarland University, Homburg, Germany.
⁸Pediatric Hematology, Oncology and Hemostaseology, University Children's Hospital of Frankfurt/Main, Goethe-University Frankfurt/Main, Frankfurt/Main, Germany.
⁹Department of Pediatric Hematology-Oncology, University of Duisburg-Essen, Essen, Germany.
¹⁰Pediatric Hematology, Oncology and Hemostaseology, University Children's Hospital of Frankfurt/Main, Goethe-University Frankfurt/Main, Frankfurt/Main, Germany.
¹¹Pediatric Hematology/Oncology, Hannover Medical School, Hannover, Germany.
¹²Department of Pediatric Oncology/Hematology, Charité Universitätsmedizin Berlin, Berlin, Germany.
¹³Department of Pediatric Hematology and Oncology, 2nd Faculty of Medicine, Charles University and University Hospital Motol, Czech Pediatric Hematology Working Group (CPH), Prague, Czech Republic.
¹⁴1] Pediatric Hematology/Oncology, Hannover Medical School, Hannover, Germany [2] Department of Pediatric Hematology-Oncology, University of Duisburg-Essen, Essen, Germany.