?:authorAffiliation
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[\'Department of Gastroenterology, National Hepatology and Tropical Medicine Research Institute, Cairo 20222, Egypt. drshima202@yahoo.com.\', \'Department of Gastroenterology, National Hepatology and Tropical Medicine Research Institute, Cairo 20222, Egypt.\', \'Department of Endemic Medicine, Faculty of Medicine, Fayoum University, El-Fayoum 13524, Egypt.\', \'Department of Biostatistics and Cancer Epidemiology, National Cancer Institute, Cairo 20222, Egypt.\', \'Department of Gastroenterology, Students Hospital, Cairo University, Giza 12111, Egypt.\', \'The General Organization for Teaching Hospitals and Institutes, Cairo 11562, Egypt.\', \'Department of Endemic Medicine, Faculty of Medicine, Cairo University, Cairo 11562, Egypt.\']
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