1. Center for Molecular and Human Genetics, Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
2. Department of Pediatrics, The Ohio State University, Columbus, OH, USA
3. Division of Rheumatology and Clinical Immunogenetics, Department of Internal Medicine, University of Texas Health Science Center, Houston, Texas, USA
4. Department of Pathology and Laboratory Medicine, University of Texas Health Science Center, Houston, TX, USA