1. Molecular Therapy in Haematology and Oncology, Department of Translational Oncology, National Center for Tumor Diseases and German Cancer Research Center (DKFZ), Heidelberg, Germany;
2. Faculty of Biosciences, Heidelberg University, Heidelberg, Germany;
3. Department of Medicine V, University Hospital Heidelberg, Heidelberg, Germany;
4. Hematopathology Section and Lymph Node Registry, Department of Pathology, University Hospital Schleswig-Holstein, Campus Kiel, Christian Albrechts University Kiel, Kiel, Germany;
5. Institute of Pathology, University Medical Center Göttingen, Göttingen, Germany;
6. European Molecular Biology Laboratory, Heidelberg, Germany;
7. Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel; and
8. Department of Hematology, University Hospital and University of Zürich, Zürich, Switzerland