[1] Southern Med Univ, Dept Rehabil, Zhujiang Hosp, Guangzhou, Guangdong, Peoples R China
[2] Southern Med Univ, Sch Basic Med Sci, Dept Med Genet, Guangzhou, Guangdong, Peoples R China
[3] Peking Univ, Hosp 6, Beijing, Peoples R China
[4] Inst Mental Hlth, Beijing, Peoples R China
[5] Emory Univ, Dept Psychiat & Behav Sci, Sch Med, Atlanta, GA 30307 USA