1. Rutgers Biomedical and Health Sciences, New Brunswick, New Jersey2 Division of Pediatric Rheumatology, Department of Pediatrics, Nemours A.I. duPont Hospital for Children, Wilmington, Delaware3Center for Clinical Epidemiology and Biostatistics, Department
2. Rutgers Biomedical and Health Sciences, New Brunswick, New Jersey3Center for Clinical Epidemiology and Biostatistics, Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
3. Center for Clinical Epidemiology and Biostatistics, Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia
4. Division of Pediatric Rheumatology, Department of Pediatrics, Nemours A.I. duPont Hospital for Children, Wilmington, Delaware
5. Division of Pediatric Rheumatology, Department of Pediatrics, Perelman School of Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia
6. Division of Infectious Diseases, Department of Pediatrics, Infection Prevention and Control, Perelman School of Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia