1. Cochrane Haematology, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf; Faculty of Medicine and University Hospital Cologne, University of Cologne; Cologne Germany
2. Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine; University Hospital Wuerzburg; Wuerzburg Germany
3. Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf (CIO ABCD); Faculty of Medicine and University Hospital Cologne, University of Cologne; Cologne Germany
4. Max-Planck Institute for the Biology of Ageing; Cologne Germany
5. Laboratory of Experimental Immunology, Institute of Virology; University Hospital of Cologne; Cologne Germany
6. Department of Anesthesiology; University of Goettingen Medical Center; Goettingen Germany
7. Department of Nephrology; Klinikum rechts der Isar, TUM School of Medicine, Technical University of Munich; Munich Germany
8. German Centre for Infection Research (DZIF); partner site Bonn-Cologne Germany
9. Department of Epidemiology; Helmholtz Centre for Infection Research; Brunswick Germany
10. Translational Unit BBD; German Center for Infection Research (DZIF); Brunswick Germany
11. Department of Infectious Diseases and Respiratory Medicine; Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin; Berlin Germany
12. Centre for Biological Threats and Special Pathogens (ZBS), Strategy and Incident Response (ZBS7), Clinical Management and Infection Control (ZBS7.1); Robert Koch Institute; Berlin Germany