1. Department of Internal Medicine V; University Hospital Heidelberg; Heidelberg Germany
2. Institute of Pathology, University of Ulm; Ulm Germany
3. Institute of Pathology, University Hospital Heidelberg; Heidelberg Germany
4. Division of Biostatistics; German Cancer Research Center; Heidelberg Germany
5. Institute of Pathology, University Hospital RWTH Aachen; Aachen Germany
6. Bloodwise Molecular Hematology Unit, NDCLS, University of Oxford; Oxford United Kingdom
7. National Center for Tumor Diseases and Institute of Immunology, University of Heidelberg; Heidelberg Germany
8. Department of Hematology; Oncology and Clinical Immunology, University Hospital Düsseldorf; Düsseldorf Germany
9. Institute of Pathology, University Hospital Düsseldorf; Düsseldorf Germany