1. Department of Medicine, Karolinska Institutet, Division of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
2. Department of Infectious Diseases, Karolinska University Hospital, Solna, Sweden
3. Department of Clinical Chemistry, Karolinska University Hospital, Solna, Sweden
4. Department of Clinical Microbiology, Karolinska University Hospital, Solna, Sweden
5. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden