1. Department for Pediatric Hematology and Oncology, Faculty of Medicine and University of Freiburg Medical Center, University of Freiburg, Freiburg, Germany
2. Department of Hematology/Oncology/Stem Cell Transplantation, University of Freiburg, Freiburg, Germany
3. Department of Gynecology, Faculty of Medicine and University of Freiburg Medical Center, University of Freiburg, Freiburg, Germany
4. German Cancer Consortium (Deutsches Konsortium Für Translationale Krebsforschung, DKTK), Freiburg, Germany