Affiliation: | 1. Division of Rheumatology, Children's Hospital of Philadelphia, Philadelphia, PA, USA;2. Division of Cardiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA;3. Department of Biostatistics, Epidemiology and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA;4. Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA Division of Nephrology, Children's Hospital of Philadelphia, Philadelphia, PA, USA;5. Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA Division of Cardiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA;6. Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA Division of Rheumatology, Hospital for Sick Children, Toronto, ON, Canada SickKids Research Institute, Hospital for Sick Children, Toronto, ON, Canada Department of Paediatrics, Faculty of Medicine, University of Toronto, Toronto, ON, Canada;7. Division of Rheumatology, Children's Hospital of Philadelphia, Philadelphia, PA, USA Center for Pharmacoepidemiology Research and Training, University of Pennsylvania, Philadelphia, PA, USA Center for Pediatric Clinical Effectiveness, Children's Hospital of Philadelphia Research Institute, Philadelphia, PA, USA Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA |