Institution: | 1. Department of Radiology, The University of Chicago Medicine, Comer Children’s Hospital, 5721 S. Maryland Avenue, Chicago, IL 60637, USA;2. Department of Gastroenterology, Hospital de Niños de La Plata, Calle 14 Nro 1631, La Plata, Buenos Aires, Argentina;3. MED Institute, Inc., 1 Geddes Way, West Lafayette, IN 47906, USA |