?:authorAffiliation
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[\'Department of Hematology, People\'s Hospital of Chongqing Hechuan.\', \'Department of Gastroenterology, Daping Hospital.\', \'Department of Epidemiology, College of Preventive Medicine, Army Medical University.\', \'Department of Gastroenterology, People\'s Hospital of Chongqing Hechuan, Chongqing, China.\']
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