1. Swabian Children's Cancer Center; Children's Hospital; Klinikum Augsburg; Augsburg Germany
2. Pediatric care and research Center; Institute Curie; PSL Research University; Paris France
3. National Scientific and Practical Center of Pediatric Hematology, Oncology, and Immunology named after Dmitry Rogachev; Moscow Russian Federation
4. Institute of Human Genetics; University of Ulm & University Hospital of Ulm; Ulm Germany
5. Institute of Neuropathology; University Hospital Muenster; Muenster Germany
6. Clinic for Particle Therapy; West German Cancer Center (WTZ); University Hospital Essen; Essen Germany
7. Department of Pediatric Hematology and Oncology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
8. Institute of Biostatistics and Clinical Research; University of Münster; Muenster Germany
9. Department of Pediatric Oncology and Hematology; Saarland University of Hospital Saarland; Saarland Germany
10. Department of Pediatric Hematology and Oncology; University Children's Hospital Muenster; University of Muenster; Muenster Germany