1. Division of Protective Immunity, Department of Pathology and Laboratory Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
2. Cell & Molecular Biology Graduate Group, University of Pennsylvania, Philadelphia, PA, USA
3. Department of Biomedical and Health Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
4. Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
5. Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA