1. Division of Internal Medicine, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland
2. Department of Laboratory Medicine, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland
3. Division of Clinical Bacteriology and Mycology, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland
4. Department of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Petersgraben 4, 4031 Basel, Switzerland
5. Institute for Infectious Diseases, University of Bern, Friedbühlstrasse 51, 3001 Bern, Switzerland
6. Department of Clinical Research, University of Basel, Schanzenstrasse 55, 4056, Basel, Switzerland