1 Division of Internal Medicine, University Hospital Basel, Basel, Switzerland.
2 Division of Internal Medicine, University Hospital Basel, Basel, Switzerland; Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland.
3 Division of Clinical Bacteriology and Mycology, University Hospital Basel, Basel, Switzerland; Applied Microbiology Research, Department of Biomedicine, University of Basel, Basel, Switzerland.
4 Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Basel, Switzerland.
5 Division of Internal Medicine, University Hospital Basel, Basel, Switzerland; Department of Clinical Research, University Hospital Basel, University of Basel, Basel, Switzerland. Electronic address: stefano.bassetti@usb.ch.