1. Department of Medical Biochemistry and Cell Biology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
2. Department of Microbiology and Immunology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
3. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
4. Department of Pathology & Genetics, Sahlgrenska Academy, University of Gothenburg, Sweden
5. Department of Mathematical Sciences, Chalmer University of Technology, Gothenburg, Sweden