1. *Department of Pathology and Laboratory Medicine, Children’s Hospital of Philadelphia, Philadelphia, PA;
2. †Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA;
3. ‡Department of Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA;
4. §Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA; and
5. ¶School of Arts and Sciences, University of Pennsylvania, Philadelphia, PA