About our Pediatric Gastroenterology fellowship: Clinical activities include programs in feeding and swallowing disorders, obesity, inflammatory bowel disease, cyclic vomiting syndrome, motility disorders, liver transplant, Celiac Disease, eosinophilic GI disorders, nutrition, functional GI disorders, constipation, and infant gastroesophageal reflux. Research programs include inflammatory bowel disease, genetics and pharmacogenetics, mucosal immunology, visceral pain, and developmental biology.