1. Division of Rheumatology Department of Internal Medicine University of Michigan Ann Arbor MI USA
2. Division of Rheumatology Department of Pediatrics University of Pittsburgh School of MedicineUPMC Children's Hospital of Pittsburgh Pittsburgh PA USA
3. Division of Rheumatology and Clinical Immunology Department of Medicine University of Pittsburgh School of Medicine Pittsburgh PA USA
4. Lupus Center of Excellence University of Pittsburgh School of Medicine Pittsburgh PA USA