1. Department of Medicine, Gastroenterology, and Hepatology, Sections of Infectious Diseases and Tropical Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
2. German Center for Infection Research (DZIF), Hamburg-Lubeck-Borstel-Riems, Germany
3. Hämatologisch-Onkologische Praxis Eppendorf (HOPE), Hamburg, Germany
4. University Cancer Center Hamburg (UCCH), Hamburg, Germany
5. Institute of Medical Microbiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
6. Department of Medicine, Israelitisches Krankenhaus, Hamburg, Germany
7. Institute of Transfusion Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
8. Department of Clinical Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany