[1] Seoul Natl Univ, Bundang Hosp, Dept Neuropsychiat, Seongnam, South Korea
[2] Yonsei Univ, Wonju Severance Christian Hosp, Dept Psychiat, Wonju, South Korea
[3] Dongguk Univ, Gyeongju Hosp, Dept Psychiat, Gyeongju, South Korea
[4] Natl Ctr Mental Hlth, Dept Psychiat, Seoul, South Korea
[5] Gyeongsang Natl Univ, Sch Med, Dept Psychiat, Jinju, South Korea
[6] Soonchunhyang Univ, Bucheon Hosp, Dept Neuropsychiat, Bucheon, South Korea
[7] Chungnam Natl Univ, Sch Med, Dept Psychiat, Daejeon, South Korea
[8] Konkuk Univ, Chungju Hosp, Sch Med, Dept Psychiat, Chungju, South Korea
[9] Jeju Natl Univ Hosp, Dept Neuropsychiat, Jeju, South Korea
[10] Changwon Gyeongsang Natl Univ Hosp, Dept Neuropsychiat, Chang Won, South Korea
[11] Konkuk Univ, Med Ctr, Sch Med, Dept Psychiat, Seoul, South Korea
[12] Kyunggi Prov Hosp Elderly, Dept Neuropsychiat, Yongin, South Korea
[13] Bongseng Mem Hosp, Dept Psychiat, Busan, South Korea
[14] Seoul Natl Univ Hosp, Dept Neuropsychiat, Seoul, South Korea
[15] Seoul Natl Univ, Coll Med, Dept Psychiat, Seoul, South Korea
[16] Inje Univ, Sanggye Paik Hosp, Dept Neuropsychiat, Seoul, South Korea
[17] Dankook Univ Hosp, Dept Psychiat, Cheonan, South Korea
[18] Korea Univ, Coll Med, Guro Hosp, Dept Psychiat, Seoul, South Korea
[19] Kangwon Natl Univ, Sch Med, Dept Psychiat, Chunchon, South Korea
[20] Seoul Natl Univ, Coll Nat Sci, Dept Brain & Cognit Sci, Seoul, South Korea