1. Seattle Children's Research Institute University of Washington and Center for Immunity and Immunotherapies Seattle WA USA
2. Division of Rheumatology Federal University of Sao Paulo Sao Paulo Brazil
3. Division of Rheumatology University of Helsinki and Helsinki University Hospital Helsinki Finland
4. ORTON Orthopaedic Hospital of the Orton Foundation Helsinki Finland
5. Molecular Systems Biology Research Group and Proteomics Unit Institute of Biotechnology University of Helsinki Helsinki Finland
6. Divisions of Dermatology and Dermatopathology University of Washington Seattle WA USA
7. Allen Institute for Immunology Seattle WA USA
8. Rare Disease and Pediatric Research Centers Hospital for Children and Adolescents and Adult Immunodeficiency Unit, Inflammation Center University of Helsinki and HUS Helsinki University Hospital Helsinki Finland