?:authorAffiliation
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[\'Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan.\', \'Department of Internal Medicine, Ziauddin Medical University, Karachi, Pakistan.\', \'Department of Medicine, Baqai Medical University, Karachi, Pakistan.\', \'Department of Pathology, College of Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.\', \'Department of Medicine, John H. Stroger, Jr. Hospital of Cook County, Chicago, IL, USA.\', \'Department of Radiology, University of British Columbia, Vancouver, Canada.\']
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