[Zhang, Ling; Xu, Yi; Tan, Xiaodong] Wuhan Univ, Sch Publ Hlth, Wuhan, Hubei, Peoples R China.
[Mao, Shuyuan] Zhengzhou Univ, Affiliated Hosp 3, Zhengzhou, Henan, Peoples R China.
[Zhang, Si] Cent China Normal Univ, Wuhan, Peoples R China.
[Peng, Shuzhen] Huangpi Dist Peoples Hosp, Wuhan, Peoples R China.
[Zhang, Qi] Wuhan Hlth Med Cosmet Hosp, Wuhan, Peoples R China.