?:authorAffiliation
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[\'Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China.\', \'Department of Epidemiology, School of Public Health, Zhengzhou University, Zhengzhou 450001, Henan Province, China. Electronic address: yhy@zzu.edu.cn.\', \'Department of Toxicology, Henan Center for Disease Control and Prevention, Zhengzhou 450016, Henan Province, China.\']
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