1. Department of Surgery, Inflammation Medicine and Transplantation; Section of Nephrology; Oslo University Hospital, Rikshospitalet; Oslo Norway
2. Department of Pathology; Oslo University Hospital; Oslo Norway
3. Laboratory of Immunohistochemistry and Immunopathology; K.G. Jebsen Inflammation Research Centre; University of Oslo; Oslo Norway
4. Department of Nephrology; Oslo University Hospital Ullevål; Oslo Norway
5. Division of Medicine; Department of Nephrology; Akershus University Hospital; Oslo Norway
6. Faculty of Medicine; Institute of Clinical Medicine; University of Oslo; Oslo Norway