1. Department of Medicine, Limmattal Hospital, Schlieren, Switzerland
2. Faculty of Medicine, University of Basel, Basel, Switzerland
3. Department of Medicine, Division of Infectious Diseases, Limmattal Hospital, Schlieren, Switzerland
4. Faculty of Medicine, University of Zurich, Zurich, Switzerland
5. Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland
6. Department of Medicine, Division of Cardiology, Limmattal Hospital, Schlieren, Switzerland