?:authorAffiliation
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[\'Department of Infectious Diseases, Preventive Health, Ministry of Health, Riyadh 11176, Saudi Arabia.\', \'Department of Health Programs and Chronic Diseases, Ministry of Health, Riyadh 11176, Saudi Arabia.\', \'Department of Epidemiology, University of Khartoum, Khartoum 11115, Sudan.\', \'Department of Public Health and Community Medicine, Zagazig University, Zagazig 44519, Egypt.\']
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