1. Institute of Pathology, Technical University of Munich, Munich, Germany
2. Department of Orthopedics, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
3. Department of Radiology, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
4. National Center of Tumor Diseases (NCT), Heidelberg, University of Heidelberg, Germany
5. Department of Pathology, German Cancer Consortium (DKTK), Partner Site Munich, Technical University of Munich, Munich, Germany
6. Institute of Pathology, University of Bern, Bern, Switzerland