1. Medical Clinic III for Oncology, Hematology and Rheumatology, University Hospital Bonn, Germany
2. Institute of Experimental Immunology, University Bonn, Germany
3. Institute of Pathology, University Bonn, Germany
4. Institute of Experimental Immunology and Hepatology, University Medical Center Hamburg-Eppendorf, Germany
5. Institute of Molecular Medicine, University Bonn, Germany
6. Institute of Virology, Technische Universität München
7. Division of Chronic Inflammation and Cancer, German Cancer Research Center, DKFZ, Germany
8. Department for Internal Medicine 2, Klinikum rechts der Isar, Technische Universität München, Germany
9. Department of Surgery, Technische Universität München, Germany
10. Institute of Molecular Immunology and Experimental Oncology, Technische Universität München, Germany