1. Department of Microbiology, Tumor and Cell biology (MTC) Biomedicum, Karolinska Institutet Stockholm Sweden
2. Department of Infectious Diseases Visby County Hospital Visby Sweden
3. Division of Infectious Diseases Department of Medicine Solna Karolinska Institutet Stockholm Sweden
4. Department of Infectious Diseases Karolinska University Hospital Stockholm Sweden
5. Centre for Clinical Research Västmanland Västmanland County Hospital Uppsala University Västerås Sweden
6. Public Health Agency of Sweden Solna Sweden
7. Department of Clinical Microbiology Karolinska University Hospital Stockholm Sweden