1. Institute of Pathology, Charité University Hospital, Berlin, Germany
2. German Cancer Research Center (DKFZ), Heidelberg, Germany
3. German Consortium for Translational Cancer Research (DKTK), Heidelberg, Germany
4. Massachusetts General Hospital/Harvard Medical School, Department of Pathology, Boston, MA, USA
5. Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
6. National Center for Tumor Diseases (NCT), Heidelberg, Germany
7. Institute of Legal Medicine, University Hospital Münster, Münster, Germany