Fellowship, Residency, Medical School, Internship, Residency, Residency, Residency, Residency, Residency, Residency, Medical School, Fellowship, Fellowship, Undergraduate, Medical degree, DO, Residency - ID, Fellowship in pediatric gastroenterology, hepatology, and nutrition, Fellowship in Research in Division of Molecular Medicine, Residency in Pediatrics, Graduation from Harvard Medical School, Fellowship in Pediatrics, Pediatric Gastroenterology, Medical School, Fellowship 2