1. General, Visceral and Transplantation Surgery, University Hospital Essen, University Duisburg-Essen, Germany
2. Institute of Virology, University Hospital Essen, University Duisburg-Essen, Germany
3. Institute of Physiological Chemistry, University Hospital Essen, University Duisburg-Essen, Germany
4. Institute of Pathology, University Hospital Essen, University Duisburg-Essen, Germany
5. Institute of Pathophysiology, West German Heart and Vascular Center, University Hospital Essen, University Duisburg-Essen, Germany
6. Institute of Experimental Virology, Twincore, Centre for Experimental and Clinical Infection Research, Hannover, Germany
7. Department of Molecular and Medical Virology, Ruhr-University Bochum, Germany
8. Department of Clinical Chemistry, Microbiology and Immunology, Faculty of Medicine and Health Sciences, Ghent University, Belgium
9. German Center for Infection Research (DZIF), External Partner Site Essen, Germany