[Xu E.-S.] School of Public Health, University of South China, No 28, West Changsheng Road, Zhengxiang District, Hengyang City, Hunan Province, 421001, China
[Wang R.; Su Y.-H.; Wu Y.-Y.; Liu X.] School of Public Health, University of South China, Hengyang, Hunan Province, China
[Duan G.-X.] School of Public Health, University of South China, No 28, West Changsheng Road, Zhengxiang District, Hengyang City, Hunan Province, 421001, China<&wdkj&>School of Public Health, University of South China, Hengyang, Hunan Province, China