[Liu, Xianhua] Hunan Normal Univ, Sch Educ Sci, Changsha, Hunan, Peoples R China.
[Hu, Yiqiu] Hunan Agr Univ, Inst Educ, Changsha, Hunan, Peoples R China.
[Liu, Yanling] Cent South Univ, State Key Lab Med Genet, Changsha, Hunan, Peoples R China.
[Yao, Shuqiao] Cent South Univ, Xiangya Hosp 2, Inst Med Psychol, Changsha 410011, Hunan, Peoples R China.
[Liu, Xianhua; Wu, Siwei] Hengyang Normal Univ, Dept Educ Sci, Hengyang, Hunan, Peoples R China.