?:authorAffiliation
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[\'Department of Health Statistics, Naval Medical University, Shanghai 200433, China.\', \'Department of Colorectal Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China.\', \'Department of Medical Administration, Changzheng Hospital, Naval Medical University, Shanghai 200003, China.\', \'Department of Cardiology, Changzheng Hospital, Naval Medical University, Shanghai 200003, China.\']
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