1. IPM Study Center; Hamburg; Germany
2. University of Schleswig Holstein; Campus Kiel; Kiel Germany
3. Department of Hematology; Oncology and Palliative Care; Harlaching Hospital; Munich Germany
4. First Department of Internal Medicine; University of Cologne; Cologne Germany
5. Department of Clinical Immunology and Rheumatology; Hannover Medical School; Hannover Germany
6. German Center for Infection Research (DZIF); Cologne Germany
7. Department of Gastroenterology, Hepatology and Infectiology; University of Düsseldorf; Düsseldorf Germany
8. ifi-Institute for Interdisciplinary Medicine; Hamburg Germany
9. Department of Dermatology; University of Essen; Essen Germany
10. Department of Medicine I; University Medical Center Hamburg-Eppendorf; Hamburg Germany
11. Medical Center for Infectious Diseases (MIB); Berlin Germany
12. Department of Infectious Diseases; Vivantes Auguste Viktoria Hospital; Berlin Germany
13. Department of General Medicine, Gastroenterology, and Infectious Diseases; Augustinerinnen Hospital; Cologne Germany
14. Hematology, Oncology and Infectious Diseases Practice; Mannheim Germany
15. Department of Rheumatology and Clinical Immunology; University of Freiburg; Freiburg Germany