?:authorAffiliation
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[\'Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, 530003, China. 354713144@qq.com.\', \'The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China.\', \'Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Nanning, 530003, China.\']
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