1. Department of Pediatrics, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania;
2. Department of Microbiology and Immunology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania;
3. Department of Comparative Medicine, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania;
4. Department of Pathology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania;
5. Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania; and
6. Department of Humanities, The Pennsylvania State University College of Medicine, Hershey, Pennsylvania