?:authorAffiliation
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[\'Clinical Studies and Clinical Epidemiology Division, Digestive Endoscopy Division, Fundación Santa Fe de Bogotá, Bogotá, Colombia. fersi17@yahoo.com.\', \'Fundación Santa Fe de Bogotá, Calle 119a# 7-49, Bogotá, Colombia. fersi17@yahoo.com.\', \'Gastroenterology and Hepatology Department, Fundación Santa Fe de Bogotá, Bogotá, Colombia.\', \'Gastroenterology and Hepatology Department and Clinical Studies and Clinical Epidemiology Division, Fundación Santa Fe de Bogotá, Bogotá, Colombia.\']
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