1. Research Institute of Internal Medicine, Oslo University Hospital Rikshospitalet, 0372 Oslo, Norway
2. Department of Internal Medicine, Lovisenberg Diaconal Hospital, 0440 Oslo, Norway
3. Department of Infectious Diseases, Oslo University Hospital, Ullevål, 0450 Oslo, Norway
4. Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, 0372 Oslo, Norway
5. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, 7034 Trondheim, Norway
6. Department of Infectious Diseases, St. Olavs Hospital, 7030 Trondheim, Norway
7. Section of Clinical Immunology and Infectious Diseases, Department of Rheumatology, Dermatology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway
8. Section of Dermatology, Department of Rheumatology, Dermatology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, 0372 Oslo, Norway