?:authorAffiliation
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[\'Department of Ophthalmology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical university, Xuzhou, Jiangsu Province, China.\', \'Xuzhou Medical University, Xuzhou, Jiangsu Province, China.\', \'The Primary and Middle School Health Care Center in Suqian, Suqian, Jiangsu Province, China.\', \'School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu Province, China.\']
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