[1] Tohoku Univ, Grad Sch Med, Dept Psychiat, Sendai, Miyagi, Japan
[2] Kodama Hosp, Dept Psychiat, Ishinomaki, Miyagi, Japan
[3] Tohoku Univ Hosp, Dept Psychiat, Sendai, Miyagi, Japan
[4] Asahi Gen Hosp, Dept Psychiat, Asahi, Japan
[5] Natl Hosp Org, Hanamaki Hosp, Hanamaki, Japan
[6] Chiba Univ, Grad Sch Med, Dept Psychiat, Chiba, Japan
[7] Chiba Univ, Ctr Forens Mental Hlth, Div Med Treatment & Rehabil, Chiba, Japan
[8] Kodama Hosp, Dept Pharm, Ishinomaki, Miyagi, Japan