?:authorAffiliation
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[\'Cardiology Division in Geriatric Institute, Hebei General Hospital, Shijiazhuang, Hebei, China. Electronic address: hrlg2002@163.com.\', \'General Clinical Laboratory, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.\', \'Cardiology Division in Geriatric Institute, Hebei General Hospital, Shijiazhuang, Hebei, China.\']
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