1. Faculty of Medicine; University of Oslo; Oslo Norway
2. Oslo Hospital Pharmacy; Oslo Norway
3. Department of Infectious Diseases; Oslo University Hospital - Ullevaal; Oslo Norway
4. Section for Clinical Immunology and Infectious Diseases; Oslo University Hospital - Rikshospitalet; Oslo Norway
5. Research Institute for Internal Medicine; Oslo University Hospital - Rikshospitalet; Oslo Norway
6. Department of Anesthesiology; Oslo University Hospital - Rikshospitalet; Oslo Norway
7. Oslo Center for Biostatistics and Epidemiology; Research support services; Oslo Norway
8. Department of Anesthesiology; Oslo University Hospital - Ullevaal; Oslo Norway