1. Centre for Clinical Research Sörmland, Uppsala University, Eskilstuna, Sweden;
2. Experimental and Clinical Oncology, Department of Immunology, Genetics, and Pathology, Uppsala University, Uppsala, Sweden;
3. Department of Oncology, Faculty of Medicine and health, Örebro University, Örebro, Sweden;
4. Department of Internal Medicine, Falun General Hospital, Falun, Sweden;
5. Section of Rheumatology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden