1. Department of Medicine I; University Medical Center Hamburg-Eppendorf; Hamburg Germany
2. Department of Intensive Care Medicine; University Medical Center Hamburg-Eppendorf; Hamburg Germany
3. Institute of Medical Biometry and Epidemiology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
4. Institute of Microbiology, Virology and Hygiene; University Medical Center Hamburg-Eppendorf; Hamburg Germany
5. German Center for Infection Research (DZIF); Hamburg-Lübeck-Borstel and Heidelberg Partner sites; Hamburg Germany
6. Charité Universitätsmedizin Berlin; corporate member of Freie Universität Berlin; Humboldt-Universität zu Berlin and Berlin Institute of Health; Institute of Biometry and Clinical Epidemiology; Berlin Germany
7. Department of Medical Psychology; University Medical Center Hamburg-Eppendorf; Hamburg Germany
8. Royal Cornwall Hospital Trust and European Centre for Environment and Human Health; University of Exeter; Truro UK
9. Department of Gastroenterology, Hepatology; University Hospital of Essen; Essen Germany