1. Division of Pediatric Rheumatology, Department of Pediatrics University of Pittsburgh School of Medicine Pittsburgh PA USA
2. Department of Immunology University of Pittsburgh School of Medicine Pittsburgh PA USA
3. Children's Hospital of Pittsburgh University of Pittsburgh Medical Center Pittsburgh PA USA
4. Division of Genetic and Genomic Medicine, Department of Pediatrics University of Pittsburgh School of Medicine Pittsburgh PA USA
5. Department of Pathology University of Pittsburgh School of Medicine Pittsburgh PA USA
6. Department of Cell Biology University of Pittsburgh School of Medicine Pittsburgh PA USA
7. Pittsburgh Veterans Administration Medical Center Pittsburgh PA USA
8. Center for Rare Disease and Therapy University of Pittsburgh School of Medicine Pittsburgh PA USA
9. Department of Human Genetics University of Pittsburgh Graduate School of Public Health Pittsburgh PA USA