[Deng, Linjing] Jiangxi Univ Finance & Econ, Sch Tourism & Ubran Management, Nanchang 330000, Jiangxi, Peoples R China.
[Ma, Yongsheng] CDC Jinan, Jinan 250000, Peoples R China.
[Wu, Yang; Ma, Ping] Hubei Univ Sci & Technol, Sch Publ Hlth, Xianning 437100, Peoples R China.
[Yang, Xu] Cent China Normal Univ, Hubei Key Lab Genet Regulat & Integrat Biol, Wuhan 430070, Peoples R China.
[Deng, Qihong] Zhengzhou Univ, Sch Publ Hlth, Zhengzhou 450001, Peoples R China.