Affiliation: | 1. Department of Pediatric Hematology and Oncology, University Hospital Münster, Münster, Germany;2. St. Josef‐Hospital Zell, Zell, USA;3. Department of Pediatric Cardiology, University Hospital Münster, Münster, Germany;4. Department of Radiotherapy and Radio‐Oncology, University Hospital Münster, Münster, Germany;5. Department of Radiation Oncology and Biology, Medical University of Vienna, Vienna, Austria;6. Department of Biomathematics and Medical Informatics, University Hospital Münster, Münster, Germany;7. Department of General Pediatrics, University Hospital Münster, Münster, Germany;8. Hospital for Children and Adolescents, HELIOS‐Klinikum Berlin‐Buch, Germany |