1. University of Washington School of Medicine Seattle Washington USA
2. Department of Pediatrics, Division of Rheumatology Seattle Children's Hospital, University of Washington Seattle Washington USA
3. Division of Rheumatology Children's National Hospital, George Washington University School of Medicine and Health Sciences Washington DC USA
4. Department of Pediatrics and Department of Dermatology Children's National Hospital, George Washington University School of Medicine and Health Sciences Washington DC USA
5. Department of Pediatrics, Division of Dermatology Seattle Children's Hospital, University of Washington Seattle WA USA