1. Institute of Pathology, Charité University Hospital; Berlin Germany
2. German Cancer Consortium (DKTK), Partner Sites Berlin and Heidelberg, and German Cancer Research Center (DKFZ); Heidelberg Germany
3. Department of Pediatric Hematology and Oncology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
4. Institute of Pathology, University Hospital Heidelberg; Heidelberg Germany
5. Department of Translational Oncology; National Center for Tumor Diseases (NCT) Heidelberg and German Cancer Research Center (DKFZ); Heidelberg Germany
6. Section for Personalized Oncology, Heidelberg University Hospital; Heidelberg Germany