1. Service of Infectious Diseases, Lausanne University Hospital, Lausanne, Switzerland
2. Institute of Microbiology, Lausanne University Hospital, Lausanne, Switzerland
3. Service and Laboratory of Clinical Pharmacology, University Hospital, Lausanne, Switzerland
4. Service of Intensive Care Medicine, Lausanne University Hospital, Lausanne, Switzerland
5. Department of Clinical Neurosciences, Service of Neurosurgery, Lausanne University Hospital, Lausanne, Switzerland