?:authorAffiliation
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[\'Division of Gastroenterology & Hepatology, Weill Cornell Medical College, New York, New York.\', \'Division of Gastroenterology & Hepatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.\', \'Division of Gastroenterology & Hepatology, Johns Hopkins School of Medicine, Sibley Memorial Hospital, Washington, District of Columbia, USA.\']
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