1. Division of Pediatric Rheumatology, Hospital for Special Surgery, New York, USA
2. Division of Pediatric Rheumatology, Hospital for Special Surgery, New York, USA, Department of Pediatrics, Weill Cornell Medical Center, New York, USA
3. Division of Pediatric Rheumatology, Hospital for Special Surgery, New York, USA, , Department of Pediatrics, Weill Cornell Medical Center, New York, USA