Indiana University Purdue University Indianapolis (IUPUI) - Indiana University School of Medicine, University of Iowa - Carver College of Medicine, affiliation not provided to SSRN, Renaissance School of Medicine at Stony Brook University, Temple University Lewis Katz School of Medicine, affiliation not provided to SSRN, Georgetown University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Wayne State University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Western University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Cornell University - Hospital for Special Surgery, University of Toronto - Division of Rheumatology, Cornell University - Hospital for Special Surgery, Hacettepe University, affiliation not provided to SSRN, University of Iowa - Carver College of Medicine, Leeds Teaching Hospitals NHS Trust, University of Ottawa, Alder Hey Children's NHS Foundation Trust - Department of Pediatric Rheumatology, affiliation not provided to SSRN, Swedish Medical Center and affiliation not provided to SSRN