?:authorAffiliation
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[\'Department of Gastroenterology, John H Stroger, Jr. Hospital of Cook County, Chicago, IL, USA.\', \'Department of Gastroenterology, Robert Wood Johnson University Hospital, New Brunswick, NJ, USA.\', \'Department of Medicine, Rush University Medical Center, Chicago, IL, USA.\', \'Department of Medicine, Westchester Medical Center, Westchester, NY, USA.\', \'Department of Internal Medicine, John H Stroger, Jr. Hospital of Cook County, Chicago, IL, USA.\', \'Division of Gastroenterology and Hepatology, Department of Medicine, John H Stroger, Jr. Hospital of Cook County, Chicago, IL, USA.\']
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