Affiliation: | 1. Department of Pathology and Laboratory Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania;3. Fels Institute for Cancer Research and Molecular Biology, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania;4. Division of Gastroenterology, Hepatology, and Nutrition, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;6. Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania;5. Division of Pathology and Laboratory Medicine, Children''s Hospital of Philadelphia, Philadelphia, Pennsylvania;7. Division of Allergy and Immunology, Children''s Hospital of Philadelphia, Philadelphia, Pennsylvania;12. Gastroenterology Division, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania;8. Histopathology Facility and Cancer Biology Program, Fox Chase Cancer Center, Philadelphia, Pennsylvania;10. Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, Chapel Hill, North Carolina;9. University of Pennsylvania Abramson Cancer Center, Philadelphia, Pennsylvania |