?:authorAffiliation
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[\'Children\'s Healthcare of Atlanta, Division of Gastroenterology, Hepatology and Nutrition Atlanta, GA.\', \'Division of Gastroenterology, Hepatology and Nutrition, Children\'s Hospital of Philadelphia.\', \'Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.\', \'Division of Gastroenterology, Hepatology and Nutrition, Children\'s Healthcare of Atlanta, Atlanta, GA.\']
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