?:authorAffiliation
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[\'School of Public Health, Southern Medical University, Guangzhou 510515, Guangdong Province, China; School of Health Management, Southern Medical University, Guangzhou 510515, Guangdong Province, China.\', \'School of Health Management, Southern Medical University, Guangzhou 510515, Guangdong Province, China.\', \'School of Health Management, Southern Medical University, Guangzhou 510515, Guangdong Province, China. Electronic address: dongw96@smu.edu.cn.\']
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