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Qiang Sun
Department of Cardiology, The First Hospital of Qinhuangdao, China
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Bao-ying Wang
Department of Clinical Laboratory, The Third Hospital of Qinhuangdao, China
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Wen-jing Shan
Outpatient Department of Ear, The First Hospital of Qinhuangdao, China
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Qiang Tan
Department of Cardiology, The First Hospital of Qinhuangdao, China