?:authorAffiliation
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[\'Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan 450001, China.\', \'Department Epidemiology, Sun Yat Sen University, School of Public Health, Guangzhou 510080,China.\', \'Department of Preventive Medicine, School of Medicine, Henan University of Chinese Medicine, Zhengzhou, Henan 450046, China.\', \'Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan 450001, China. Electronic address: wucuiping@zzu.edu.cn.\']
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