Affiliation: | aInfectious Diseases Section and Program in International Child Health, Department of Pediatrics, Yale School of Medicine, New Haven, CT, USA;bDivision of Gastroenterology, Department of Pediatrics, Yale School of Medicine, New Haven, CT, USA;cSection of Microbial Pathogenesis, Yale School of Medicine, New Haven, CT, USA;dDepartment of Molecular Microbiology and Immunology, Brown University, Providence, RI, USA |