?:authorAffiliation
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[\'Department of Ophthalmology, Cairo University Hospitals, Cairo, Egypt.\', \'Department of Ophthalmology, Illinois Eye and Ear Infirmary, University of Illinois at Chicago, Chicago, Illinois, USA.\', \'Department of Ophthalmology, Benha University, Benha, Egypt.\', \'Department of Ophthalmology, Harvey and Bernice Jones Eye Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.\']
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