?:authorAffiliation
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[\'Department of Gastroenterology, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile.\', \'Department of Internal Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile.\', \'School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile.\', \'Facultad de Ciencias Médicas, Universidad Bernardo O\'Higgins, Santiago 8320000, Chile.\', \'Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, Minnesota, MN 55902, United States.\', \'Division of Gastroenterology and Hepatology, Mayo Clinic Rochester, Minnesota, MN 55905, United States.\', \'Department of Gastroenterology, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago 8320000, Chile. jparab@med.puc.cl.\']
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