机构：[1]Rheumatology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH,[2]Division of Rheumatology, Beijing Children’s Hospital and Cincinnati Children’s Hospital Medical Center, Cincinnati, OH,职能科室临床流行病与循证医学中心首都医科大学附属北京儿童医院[3]Rheumatology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH,[4]Pathology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH,[5]Nephrology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH,[6]Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH,[7]Nephrology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH,[8]Pediatric Rheumatology Collaborative Study Group (PRCSG), Cincinnati Children’s Hospital Medical Center, Cincinnati, OH
医学