?:authorAffiliation
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[\'Department of Radiology, The Second Xiangya Hospital, Central South University, No.139 Middle Remin Road, Changsha, Hunan, 410011, P.R. China.\', \'Department of Radiology, First Hospital of Changsha, Hunan Province, 410005, China.\', \'Changsha Public Health Treatment Center, Hunan Province, 410153, China.\', \'Department of Radiology Quality Control Center, Changsha, Hunan Province, 410011, China.\']
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