1. Department of Anaesthesia and Intensive Care Landspitali - The National University Hospital of Iceland Reykjavik Iceland
2. Department of Clinical Microbiology Landspitali - The National University Hospital of Iceland Reykjavik Iceland
3. Department of Infectious Diseases Landspitali - The National University Hospital of Iceland Reykjavik Iceland
4. Faculty of Medicine, School of Health Sciences University of Iceland Reykjavik Iceland