1. Institute of Molecular Virology, Ulm University Medical Center, Ulm, Germany
2. Institute of Virology, Hannover Medical School, Hannover, Germany
3. Institute for Experimental Virology, Twincore Centre for Experimental and Clinical Infection Research, Hannover, Germany
4. Institute of Microbiology, University Hospital Center, University of Lausanne, Lausanne, Switzerland
5. Institute of Transplant Immunology, Integrated Research and Treatment Center Transplantation, IFB.Tx, Hannover Medical School, Hannover, Germany
6. Human Longevity Inc., San Diego, California, USA
7. German Center for Infection Research (DZIF), Hannover, Germany