1. Institute of Microbiology, University Hospital Center, University of Lausanne, Lausanne, Switzerland
2. Oxford National Institute for Health Research Biomedical Research Centre and Nuffield Department of Clinical Medicine, Oxford University, Oxford, United Kingdom
3. Institute of Molecular Medicine, University of Dublin, Dublin, Ireland
4. Brigham and Women's Hospital, Harvard Medical School, Boston, MA
5. University Clinic of Infectious Diseases, University Hospital Bern, University of Bern, Bern, Switzerland
6. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
7. Infectious Diseases and Infection Control Clinic, Department of Medicine, University Hospital Basel, Basel, Switzerland
8. Infectious Diseases Service, Regional Hospital, Lugano, Switzerland
9. Division of Infectious Diseases, Canton Hospital, St. Gallen, Switzerland
10. Division of Infectious Diseases, University Hospital, Geneva, Switzerland