1. Department of Medical Biochemistry University of Gothenburg Gothenburg Sweden
2. Department of Food Safety and Infection Biology Faculty of Veterinary Medicine and Biosciences Norwegian University of Life Sciences Oslo Norway
3. Department of Microbiology and Immunology University of Gothenburg Gothenburg Sweden
4. Department of Clinical Immunology and Transfusion Medicine Sahlgrenska University Hospital Gothenburg Sweden
5. The Wallenberg Laboratory Department of Molecular and Clinical Medicine University of Gothenburg Gothenburg Sweden