1. 1Nasjonalt Folkehelseinstitutt, Oslo, Norway
2. 2Department of Microbiology, Oslo University Hospital (Rikshospitalet), Oslo, Norway
3. 3Department of Molecular Biology, Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
4. 4Department of Methodology Research and Analysis, Domain of Infection Control and Environmental Health, Norwegian Institute of Public Health, Oslo, Norway
5. 5The Peter Medawar Building for Pathogen Research, University of Oxford, Oxford, UK
6. 6Nuffield Department of Clinical Medicine, University of Oxford, John Radcliffe Hospital, Headington, Oxford, UK
7. 7Department of Microbiology, University of Oslo, Oslo, Norway
8. 8OsloMet – Oslo Metropolitan University, Oslo, Norway