?:authorAffiliation
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[\'Evidence-based Medicine and Clinical Center, The First People\'s Hospital of Huaihua, University of South China, Huaihua, Hunan, China.\', \'Department of Science and Education, Shaoyang Central Hospital, Shaoyang, Hunan, China.\', \'Affiliated Shaoyang Hospital of University of South China, Shaoyang, Hunan, China.\']
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