?:authorAffiliation
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[\'Department of Health management, College of Public Health, Zhengzhou University, Science Avenue, Gaoxin District, Zhengzhou, Henan 450001, People\'s Republic of China.\', \'Henan Provincial People\'s Hospital, People\'s Hospital of Zhengzhou University, Henan, People\'s Republic of China.\', \'School of Medicine, Southern University of Science and Technology, Guangdong, People\'s Republic of China.\', \'Department of Health management, College of Public Health, Zhengzhou University, Science Avenue, Gaoxin District, Zhengzhou, Henan 450001, People\'s Republic of China. Electronic address: meldon@zzu.edu.cn.\']
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