1. Division of Internal Medicine, University Hospital Basel, Switzerland
2. Division of Internal Medicine, University Hospital Basel, Switzerland
/ Department of Internal Medicine, Cantonal Hospital of Olten, Switzerland
3. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel, Switzerland
/ Department of Clinical Research, University of Basel, Switzerland
4. Division of Internal Medicine, University Hospital Basel, Switzerland / Department of Clinical Research, University of Basel, Switzerland