[1] China Med Univ, Dept Psychiat, Shenyang, Liaoning, Peoples R China
[2] China Med Univ, Affiliated Hosp 1, Dept Psychiat, 155 Nanjing North St, Shenyang 110001, Liaoning, Peoples R China
[3] China Med Univ, Affiliated Hosp 1, Brain Funct Res Sect, Shenyang, Liaoning, Peoples R China
[4] Univ Pittsburgh, Sch Med, Dept Psychiat, Pittsburgh, PA USA
[5] Washington Univ, Sch Med, Dept Psychiat, St Louis, MO 63110 USA
[6] China Med Univ, Affiliated Hosp 1, Dept Radiol, 155 Nanjing North St, Shenyang, Liaoning, Peoples R China
[7] China Med Univ, Affiliated Hosp 1, Dept Geriatr Med, Shenyang, Liaoning, Peoples R China