1. Department of Medical Sciences, Rheumatology Uppsala University Uppsala Sweden
2. Division of Inflammation and Infection, Department of Biomedical and Clinical Sciences Linköping University Linköping Sweden
3. Department of Public Health and Clinical Medicine/Rheumatology Umeå University Umeå Sweden
4. Department of Clinical Sciences Lund, Rheumatology, Lund University, and Skåne University Hospital Lund Sweden
5. Center for Microbial Pathogenesis, The Research Institute at Nationwide Children's Hospital, Columbus, Ohio, and the Department of Microbiology and Immunology Loyola University Chicago Illinois
6. Division of Rheumatology, Department of Medicine Solna Karolinska Institutet, Karolinska University Hospital Stockholm Sweden
7. Broegelmann Research Laboratory, Department of Clinical Science University of Bergen Bergen Norway
8. Department of Rheumatology Haukeland University Hospital Bergen Norway
9. Department of Rheumatology and Inflammation Research Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden
10. Division of Rheumatology, Department of Clinical Sciences Malmö Lund University, and Novartis Malmö Sweden
11. Department of Rheumatology, Faculty of Medicine and Health Örebro University Örebro Sweden
12. Department of Rheumatology, Stavanger University Hospital, Stavanger, Norway, and the Institute of Clinical Science, University of Bergen Bergen Norway
13. Department of Rheumatology Stavanger University Hospital Stavanger Norway
14. Broegelmann Research Laboratory, Department of Clinical Science, University of Bergen, Bergen, Norway, and the Department of Rheumatology Stavanger University Hospital Stavanger Norway
15. Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, and the Academic Specialist Center, Center for Rheumatology, Stockholm Health Services Stockholm Sweden
16. Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, and Broegelmann Research Laboratory, Department of Clinical Science, University of Bergen Bergen Norway
17. Department of Microbiology, Immunology, and Glycobiology Lund University Hospital Lund Sweden
18. Department of Immunology, Genetics, and Pathology Uppsala University Uppsala Sweden
19. Science for Life Laboratory, Department of Medical Biochemistry and Microbiology Uppsala University Uppsala Sweden
20. Science for Life Laboratory, Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden, and Broad Institute of MIT and Harvard Cambridge Massachusetts
21. Center for Microbial Pathogenesis, The Research Institute at Nationwide Children's Hospital Columbus Ohio