1. Division of Immunogenetics, Department of Pediatrics, Rangos Research Center, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania.
2. Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
3. Division of Medical Genetics, Department of Pediatrics, Rangos Research Center, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pennsylvania.
4. Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina.