1. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
2. Otto von Guericke University, Institute for Molecular and Clinical Immunology, Magdeburg, Germany
3. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
4. Division of Biochemistry, Department of Biosciences, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
5. Novartis Vaccines and Diagnostics, Siena, Italy
6. Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska University Hospital, Stockholm, Sweden