1. Institute for Medical Microbiology, Immunology and Hygiene, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50935 Cologne, Germany.
2. Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 50931 Cologne, Germany.
3. Center of Molecular Medicine Cologne, 50931 Cologne, Germany.
4. German Center for Infection Research (DZIF), 50931 Cologne, Germany.
5. Paul-Ehrlich-Institute, 63225 Langen, Germany.
6. Cologne Cluster of Excellence on Cellular Stress Responses in Aging-associated Diseases (CECAD), 50931 Cologne, Germany.