Affiliation: | 1. Academic Department of Gastroenterology, Sheffield Teaching Hospitals, Sheffield, United Kingdom;3. Center for Functional Gastrointestinal and Motility Disorders, University of North Carolina, Chapel Hill, North Carolina;4. Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel;5. Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, United Kingdom |