1. Department of Pediatrics, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
2. Medical Department 1, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
3. Department of Radiology, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
4. Children’s Hospital, Department for Pediatric Oncology and Hematology, Campus Virchow Clinic, Charité, Berlin, Germany